Answer:
The correct option is C: Jack could increase his utility by buying more pencils and fewer pens.
Explanation:
The marginal rate of substitution or MRS is defined as the rate at which one gives up a reasonable amount of one product to exchange for another products, and still maintains the same utility level. For Jack to maintain the same level of utility, he needs to more pencil and fewer pens to maintain an equilibrium in his purchase of pens and pencils. 
 
        
             
        
        
        
Answer:
 this ability test is to determine whether Joanna has the necessary skills required for the job that she is applying to. 
Explanation:
Based on the information provided it can be said that even though there are no answer choices provided the main and only reason they gave Joanna this ability test is to determine whether Joanna has the necessary skills required for the job that she is applying to. Once she turns in the test within the week that was given, it will be reviewed by Human resources and if Joanna passed they will either hire her or consider her for the position.
 
        
             
        
        
        
The correct answer is:
 A)Anglo and Hispanic cultures
Explanation:
Anglo-America most often belongs to a region in the Americas in which English is the main information and British culture and the British Empire. The Hispanic is used to express the culture and people from Spanish-speaking, Latin American countries Thus, Mexico, Central and South America, and the Spanish-speaking Caribbean countries are referred to as Hispanic America. Cowboys were Americans, Mexican Americans, and African Americans, and on cattle drives, they received close attention beyond cultural and ethnic divides.
 
        
                    
             
        
        
        
The correct answer would be, 12.
Ayita has no trouble when asked to place stickers on a map to indicate the location of colored flags within a large scale outdoor environment. Ayita is probably 12 years old. 
Explanation:
The given question is related to the Cognitive Development stages in a child's life. 
According to the study on the cognitive development of children, Information processing, Conceptual Resources, Perceptual Skills, Language Learning, and other mind related development happens according to the age of the children. 
So in the given question, when Ayita is able to put stickers on a map to indicate the location of colored flags within a large scale outdoor environment, she has developed the handling of conceptual resources, information processing. So she is probably falls in the age above 12. 
Learn more about Cognitive Development at:
brainly.com/question/13308352
#LearnWithBrainly
 
        
             
        
        
        
The answer is D. <span>the South China Sea and the Indian Ocean</span>