Identify the unknown amount as the portion, rate, or base.10% of 80 is what number?
A. base
B. portion
C. rate
Answer: B
Mathematics
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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. 9?
C. 
?
D. 3?
Mathematics
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.Some number multiplied by 7.74
A. 
B. 7.74 - x
C. 7.74 + x
D. 7.74x
Mathematics
Graph the function using transformations.f(x) = 
A. 
B. 
C. 
D. 
Mathematics