The number of miles traveled by an experimental tire before it became unfit for use is recorded below. Find the mean. Please round your answer to the nearest integer.8,455, 22,190, 15,034, 32,162, 9,163, 25,060, 32,192, 38,165, 18,135, 34,189, 38,248, 37,077, 14,184, 42,180, 19,184, 33,339, 38,166, 28,046, 20,202, 34,407, 35,101, 40,008, 29,221, 32,220, 33,210
A. mean = 28,379
B. mean = 28,382
C. mean = 28,392
D. mean = 28,377
E. mean = 28,390
Answer: B
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Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.y = x2 - 3x + 4 from x = 1 to x = 5; n = 4
A. 18 B. 28 C. 48 D. 38
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = (x - 6)2
A. f-1(x) = 
B. f-1(x) = 
C. not a one-to-one
D. f-1(x) = 
+ 6
Find all solutions of the equation in the complex number system.x2 - 12x + 36 = -16
A. {6 - 4i} B. {6 + 4i} C. ? D. {6 + 4i, 6 - 4i}
Solve the problem.Mary, the owner of Vitallo's Pizza Parlor, had start-up costs of $5700. The ingredients for each pizza cost $3.25, and she sells each pizza for $11. She has no other expenses. Express the cost C as a function of x, where x represents the number of pizzas sold.
A. C(x) = 3.25x + 11 B. C(x) = 3.25x + 5700 C. C(x) = 3.25x + 5711 D. C(x) = 5700x + 3.25