Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A. 30 ft
B. 25 ft
C. 20 ft
D. 15 ft
Answer: B
Mathematics
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Find the slope (or rate of change). Use appropriate units.
Number of Years of Use
A. -$5000 per year B. $5000 per year C. $4000 per year D. -$4000 per year
Mathematics
Match the function with one of the graphs.f(x) = 4e-x
A. 
B. 
C. 
D. 
Mathematics
Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 + 8x - 65 = 0
A. (x - 4)2 + y2 = 81 center (4, 0), r = 9 B. x2 + (y + 4)2 = 81 center (0, -4), r = 9 C. (x + 4)2 + y2 = 81 center (4, 0), r = 9 D. (x + 4)2 + y2 = 81 center (-4, 0), r = 9
Mathematics
Find the integral.
A. 
B. (7x + 4) e7x + 4 + C
C. 7e7x + 4 + C
D. e7x + C
Mathematics