Answer:
The answer is


Step-by-step explanation:
we know that


In this problem we have


so
The angle
belong to the third or fourth quadrant
The value of
is negative
Step 1
Find the value of 
Remember

we have

substitute



------> remember that the value is negative
Step 2
Find the value of 

we have


substitute


Answer:
0.05
Step-by-step explanation:
checked via khan academy
B. 1.08mL
1 lb = 2.2 kg
5 lb = 2.27 kg
2.27kg × 12mg = 27.24 mg
Divide 27.42 mg by 2.5 = 10.896mg
Now change the mg to mL
10.896 ÷ 10 = 1.0896
He spends 30 to enter and 4 per ride
y = 4x + 30....with x being the number of rides and y being the total cost