Provide an appropriate response.Find the mean of 84.3, 64.8, 97.4, 89.2. Round to hundredths if necessary.
A. 86.75
B. 83.93
C. 67.14
D. does not exist
Answer: B
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Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)
A. 17 m/sec B. -8.5 m/sec C. 2 m/sec D. -17 m/sec
Solve the problem. Round to the nearest hundredth of a percent.Joshua needs money for a vacation. He can borrow at 9% simple interest or at the bank's simple discount rate. If he needs the money for 270 days, what is the maximum discount rate he should accept so that he does not pay more than the simple interest rate?
A. 8.51% B. 8.43% C. 7.49% D. 9.37%
Find the indicated sum.3 + 6 + 9 + . . . + 120
A. 4920 B. 2460 C. 4797 D. 2398
Factor the expression. Express your answer so that only positive exponents occur. x5/4 - x3/4
A. x3/4(x1/2 + 1) B. x3/4(x1/2 - x) C. x3/4(x1/2) D. x3/4(x1/2 - 1)