Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 45°, find the exact length of PQ. 
A. 1
B. 
C. 
D. 0
Answer: B
Mathematics
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Use the vertical line test to determine if the graph is a function.
A. Yes B. No
Mathematics
Find the product.5x8(-12x9 + 4x7 - 10)
A. -60x9 + 20x7 - 50 B. -60x17 + 20x15 - 10 C. -60x17 + 4x7 - 10 D. -60x17 + 20x15 - 50x8
Mathematics
Solve the problem.Suppose you invest $P on a CD paying 3.375% interest compounded continuously for a term of 100 days. At the end of the term you get $10,092.89 from the bank. Find the value of the original principal P. Round your answer to the nearest dollar.
A. $9995 B. $10,025 C. $10,125 D. $9975 E. $10,000
Mathematics
Factor by grouping.ra2 + rb2 - 8a2 - 8b2
A. (a2 - b2)(r + 8) B. (a2 - 8)(r + b2) C. (a2 + 8b2)(r - 1) D. (a2 + b2)(r - 8)
Mathematics