Solve.A gardener is fencing off a rectangular area with a fixed perimeter of 80 ft. What is the maximum area?
A. 1600 ft2
B. 400 ft2
C. 20 ft2
D. 5 ft2
Answer: B
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 2 and x = 6 using a right sum with four rectangles of equal width.
A. 62 B. 69 C. 54 D. 86
Solve the problem.Two friends decide to meet in Chicago to attend a Cub's baseball game. Rob travels in the same time that Carl travels
Rob's trip uses more interstate highways and he can average
more than Carl. What is Rob's average speed?
A. 42 mph B. 46 mph C. 52 mph D. 49 mph
Factor the difference of two squares.9x2 - 25y2
A. (3x - 5y)2 B. (3x + 5y)(3x - 5y) C. (3x + 5y)2 D. prime
Solve the equation. Express radicals in simplest form.x2 = 0.16
A. {-5, 5} B. {0.4} C. {-0.4, 0.4} D. {8}