Find the indicated angle or side. Give an exact answer.Find the exact length of side a.
A. 
B. 1
C. 
D. 
Answer: C
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Name the property used to go from step to step indicated by an a), b), c), or d).
What will be an ideal response?
Simplify the expression. Assume all variables represent nonnegative real numbers. Write the answer in exponential form when necessary.(x-1/3y8/5)1/2
A. -x1/6y4/5
B. x1/6y4/5
C. x1/6y21/4
D. 
Expand the expression using the Binomial Theorem.(x2 + 5y)4
A. x8 + 5x6y + 150x4y2 + 250x2y3 + 625y4 B. x4 + 20x3y + 150x2y2 + 500xy3 + 625y4 C. x8 + 20x6y + 150x4y2 + 500x2y3 + 625y4 D. x8 + 20x6y + 150x4y2 + 20x2y3 + 625y4
Solve the problem.A merchant has coffee worth $30 a pound that she wishes to mix with 50 pounds of coffee worth 
a pound to get a mixture that can be sold for 
a pound. How many pounds of the 
coffee should be used?
A. 60 pounds B. 5 pounds C. 10 pounds D. 30 pounds