Give the exact value.tan 
A. 
B. 
C. 
D. - 
Answer: B
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-5x5)(3x4)
A. -15x9 B. 8x20 C. -15x20 D. 8x9
Solve the problem.The figure below shows an addition pyramid, in which each number is the sum of the two numbers immediately below. 
For the incomplete addition pyramid below, show that the values in the square can be determined by forming and solving an equation in the unknown variable shown. 
What will be an ideal response?
Solve the proportion two different ways. First in decimal form, then in fraction form. Write your answer in lowest terms.
= 
A. x = 0.02 or x = 
B. x = 0.06 or x = 
C. x = 0.00806667 or x = 
D. x = 0.6 or x = 
Find the indicated angle.Identify the pair or pairs of supplementary angles.
A. There are none. B. ?ABE and ?ABD; ?ABE and ?EBF; ?DBF and ?EBF; ?DBF and ?ABD C. ?ABD and ?EBF D. ?ABE and ?DBF