Solve.The distance that an object falls when it is dropped varies directly as the square of the amount of time since it was dropped. An object falls 88.2 meters in 3 seconds. Find the distance the object falls in 5 seconds.
A. 147 meters
B. 49 meters
C. 245 meters
D. 15 meters
Answer: C
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Factor the sum or difference of two cubes.w3x + 8
A. (wx - 2)(w2x - 2wx + 4) B. (w + 2)(w2x + 2wx + 4) C. (wx + 2)(w2x - 2wx + 4) D. (wx + 2)(w2 - 2w + 4)
Solve the radical equation. Check all proposed solutions.
- 
= 3
A. x = 2, 38 B. x = 3, 8 C. x = -2 D. x = 2
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Solve the equation. (x + 6)(x - 4) = -9
A. 3, 5 B. -6, 4 C. -5, 3 D. 6, -4