Simplify.
A. 
B. 
C. 
D. 
Answer: A
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?Which of the following is a situation that requires the use of combination?
A. ?Determining the probability of getting into an accident when it is raining. B. ?Determining the probability of getting a specific license plate. C. ?Determining the probability of guessing your locker combination. D. ?Determining the probability of getting a specific hand in a 5-card game of cards. E. ?None of the above.
Find the equation of the line through (6,-6,6) and perpendicular to the plane -x+2y+5z=12.
What will be an ideal response?
Provide an appropriate response.What is the degree of term 8a13?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The function f(t) = -0.13t2 + 0.49t + 31.5 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.52t2 + 12.45t + 107.3 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. $0.08 thousand B. Cost per person in thousands of dollars. $0.17 thousand C. Cost per person in thousands of dollars. $9.86 thousand D. Cost per person in thousands of dollars. $12.13 thousand