Use a formula to solve the problem.A square plywood platform has a perimeter which is 7 times the length of a side, decreased by 6. Find the length of a side.
A. 2 units
B. 1 unit
C. 3 units
D. 5 units
Answer: A
Mathematics
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A PDF for a continuous random variable X is given. Use the PDF to find E(X).f(x) = 
A. 5
B. 
C. 
D. 
Mathematics
Solve the problem. Use 3.14 as an approximation for ? where appropriate.A cylindrical drain pipe is 3 inches across the top and about 9 inches high. How many cubic inches of water could it hold (to the nearest hundredth)?
A. 254.34 in.3 B. 63.59 in.3 C. 127.17 in.3 D. 169.56 in.3
Mathematics
Multiply.11.2 × 13.58
A. 152.096 B. 1520.96 C. 15,209.6 D. 15.2096
Mathematics
Find the absolute value.|-17|
A. -17 B. 34 C. 0 D. 17
Mathematics