Solve.Alan walked 
mi to the store and then another 
mi to his friend's house. How far did he walk?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Answer: D
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Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are isosceles right triangles with one leg on the base of the solid.
A. 
?
B. 3?
C. 
?
D. 9?
Simplify using the product rule of exponents.(-9y)(-4y6)
A. 9y - 4y6 B. -36y7 C. -13y6 D. 36y7
Solve the problem.Every Sunday, Jarod buys a loaf of fresh bread for his family from the corner bakery for $2.00. The local department store has a sale on breadmakers for $97. If the bread-making supplies cost $0.71 per week, for how many weeks would Jarod have to bake a loaf of bread at home before the breadmaker starts saving him money?
A. At least 76 weeks B. At least 75 weeks C. At least 77 weeks D. At least 78 weeks
Evaluate the expression.
A) x B) -1 C) -x D) 6 E) 1