Answer: $15,000
As $35,000-$20,000=$15,000.
That's basically the profit he had made, or the return on his investment (ROI).
As he already had $20,000, he had "only" made $15,000.
Answer:
The slope represents the rate of change of earnings in a week for every unitary change in number of doors knocked. For Jessica's function, her earnings change by +7 units for every unit of door she knocks.
Answer:

Step-by-step explanation:
The given expression is

First, we need to factor each part of the expression

Remember that quadractic expression are factored in two binomial factors. The first quadratic expression factors are about two numbers which product is 6 and which difference is one. The second quadratic expression is about two numbers which product is 12 and which difference is 1.
Now, we simplify equal expression at each fraction.

Then, we use the least common factor about the denominators to sum those fractions. In this case, the least common factor is
, because those are the factors present in the denominators.
Now, we divide each fraction by the least common factor, and then multiply the numeratos by its result.

Finally, we multiply all products and sum like terms.

Therefore, the sum of the initial expression is equal to

Let x be the cost of each bed sheet and y be the cost of each of the towel. The system of linear equations that best represent the given condition is,
38x + 61y = 791.50
54x + 50y = 923
Solving for x and y in the equation gives, x = 12 and y = 5.5. Thus, one bedsheet costs $12 and each towel costs $5.5.
Answer:
Options B, E, F
Step-by-step explanation:
Every 3 magnets that you buy, you need to pay 1 more dollar. Therefore, if you have 9 magnets, the cost will be 3 dollars. Also, if you have 6 magnets, the cost will be 2 dollars. Finally, if you have 3 magnets, the cost will be 1 dollar. So... the correct options are Options B, E, F