Find the distance between the pair of points.(2, 3) and (-4, -2)
A. 
units
B. 30 units
C. 61 units
D. 
units
Answer: D
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Solve the problem. Round your answer, if appropriate.A man 6 ft tall walks at a rate of 4 ft/sec away from a lamppost that is 18 ft high. At what rate is the length of his shadow changing when he is 75 ft away from the lamppost? (Do not round your answer)
A. 
ft/sec
B. 1 ft/sec
C. 2 ft/sec
D. 50 ft/sec
Eliminate the parameter to find a Cartesian equation of the curve.
 FIGURE 1.png)
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 + 4x3 + 125x + 500
A. (x + 4)(x + 5)(x2 - 5x + 25) B. (x + 4)(x3 + 125) C. Prime D. (x + 4)(x - 5)(x2 + 5x + 25)
Solve the problem.The annual precipitation for one city is normally distributed with a mean of 399 inches and a standard deviation of 3.3 inches. In what percentage of years is precipitation in the city between 392.4 inches and 
?
A. 97.5% B. 68% C. 99.8% D. 95%