Solve the problem.A car is traveling at 43 mph. If its tires have a diameter of 26 inches, how fast are the car's tires turning? Express the answer in revolutions per minute. If necessary, round to two decimal places.
A. 3492.92 rpm
B. 555.91 rpm
C. 539.91 rpm
D. 1111.83 rpm
Answer: B
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The stack plot below shows the value of each of Danny's investments. The stack plot contains three regions. The uppermost unshaded region represents the value of Danny's investment in individual stocks. The center shaded region represents the value of Danny's investment in mutual funds and the bottom region in black represents the value of Danny's investment in a CD. The thickness of a region at a particular time tells you its value at that time. 
Use the graph to answer the question.In year 0, approximately what percentage of Danny's total investment was in the CD?
A. 20% B. 30% C. 15% D. 25%
Find the center and the radius of the sphere that has the given equation. Select the correct answer.
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Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.6(x + 13) - y(x + 13)
A. (x - 13)(y - 6) B. prime C. (x + 13)(6 + y) D. (x + 13)(6 - y)
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x2 + 19x + 20
A. (x + 20)(x + 1) B. (x + 10)(x + 2) C. (x + 20)(x - 1) D. Prime