Find the product. Write your answer in simplest form.
? 
A. 
B. 
C. 
D. 
Answer: C
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Solve the triangle.a = 6, b = 8, C = 70°
A. c = 9, A = 52.8°, B = 57.2° B. c = 6.3, A = 28.6°, B = 81.4° C. c = 8.2, A = 43.5°, B = 66.5° D. c = 10, A = 56.9°, B = 53.1°
Factor:
Write the answer to the problem as an algebraic expression.Elizabeth earned 10 dollars a day at her job. Assuming a 5-day work week, how much did she earn in x weeks?
A. 10 + x dollars B. 50 + x C. 50x dollars D. 10x dollars
Solve the problem.The surface area of a balloon is given by S(r) = 4?r2, where r is the radius of the balloon. If the radius is increasing with time t, as the balloon is being blown up, according to the formula 
find the surface area S as a function of the time t.
A. S(r(t)) = 
?t6
B. S(r(t)) = 
?t9
C. S(r(t)) = 
?t6
D. S(r(t)) = 
?t3