Solve the problem.A rock falls from a tower that is 464 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 13,456 sec
B. 21.5 sec
C. 21.2 sec
D. 5.4 sec
Answer: D
Mathematics
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Provide an appropriate response.Suppose that $1000 is invested for 5 years at 4% interest, compounded annually. In what year will the most interest be earned? Why?
What will be an ideal response?
Mathematics
Solve the problem.Suppose that an investment of $16,000 has grown in value at a rate of 6% per year. If the current value is $21,411.61, then how many years have passed?
A. 6 B. 7.5 C. 4 D. 5
Mathematics
Match the equation to its graph.x2 = 7y
A. 
B. 
C. 
D. 
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x - 3)3
A. x3 - 9x2 + 27x - 27 B. x3 - 9x2 + 9x - 27 C. x3 - 9x2 + 15x - 27 D. x3 - 3x2 + 15x - 27
Mathematics