Find the value of the variable that satisfies the equation.-2x - 15x = -20
A. x = 
B. x = 340
C. x = 
D. x = -3
Answer: C
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Provide an appropriate response.The function f(x) = 80x4 is a probability density function on the interval 
What is a?
A. 0.50 B. 0.75 C. 0.25 D. 1
Solve the problem.John does 12 pushups on the first day of a 30-day month, and then increases the number of pushups by 2 pushups a day. How many pushups has he done by the end of the month?
A. 1290 B. 1230 C. 1260 D. 1218
Solve the problem.100 employees of a company are asked how they get to work and whether they work full time or part time. The figure below shows the results. If one of the 100 employees is randomly selected, find the probability of getting someone who carpools or someone who works full time.
1. Public transportation: 8 full time, 6 part time2. Bicycle: 4 full time, 3 part time3. Drive alone: 30 full time, 29 part time4. Carpool: 10 full time, 10 part time
A. 0.72 B. 0.54 C. 0.3 D. 0.62
Suppose that the graph of 
is drawn on a coordinate grid where the unit of measurement is an inch. How many miles to the right of the origin do we have to move before the height of the curve reaches 2 ft.
a. 1264.79 mi b. 164.79 mi c. 3264.79 mi d. 4264.79 mi e. 2264.79 mi