Solve the problem.A force of 652 lb is required to pull a boat up a ramp inclined at 28.0° with the horizontal. How much does the boat weigh?
A. 1390 lb
B. 576 lb
C. 624 lb
D. 1970 lb
Answer: A
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Find the focus and directrix of the parabola.x2 + 8y = 0
A. (0, -2); y = 2 B. (0, -2); y = -2 C. (0, -2); x = 2 D. (-2, 0); y = 2
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 0.2x3 + 0.3x2 - 0.5x - 1; interval [2, 5]; 3 subintervals
A. 49.2 B. 50.0 C. 30.0 D. 21.0
Solve the problem.The graph shows the closing price per share of stock for a firm during a week in March.
(a) Use the graph to complete the table. 
(b) What was the average change in the price of the stock over the week?(c) What was the average price per share of stock for the week?
A. (a) 
(b) about $0.73
(c) $16.01
B. (a) 
(b) about -$0.58
(c) $20.02
C. (a) 
(b) about -$0.73
(c) $16.01
D. (a) 
(b) about $0.58
(c) $20.02