Find the perimeter of the following.
A. 49 yd
B. 48 yd
C. 39 yd
D. 100 yd
Answer: A
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Solve.(y - 3) - (y + 5) = 7y
A. - 
B. - 
C. - 
D. - 8
Solve the problem.The parking lot at a grocery store has 50 cars in it. 72% of the cars are blue. How many cars are blue?
A. 7 cars B. 36 cars C. 69 cars D. 360 cars
Evaluate the expression for the given values of the variables, if possible.-x + y ? 4, for x = 6, y = 6
A. 144 B. 18 C. 12 D. 30
Solve the problem.The function f(t) = -0.15t2 + 0.53t + 30.4 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.56t2 + 12.6t + 105.6 models the total yearly cost of Medicare in billions of dollars, where t represents years after 1990. What does the function 
represent? Find 
(10).
A. Cost per person in thousands of dollars. $0.07 thousand B. Cost per person in thousands of dollars. $0.18 thousand C. Cost per person in thousands of dollars. $8.97 thousand D. Cost per person in thousands of dollars. $13.89 thousand