Identify whether the average described is a mean, median, or mode.The physics teacher grades on a curve. She gives A's to students whose scores are in the top 10%, B's to those whose scores fall in the next 20%, Fs to those with scores in the bottom 10%, Ds to the next 20%, and those with average scores get a C.
A. Mean
B. Median
C. Mode
Answer: B
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Find the derivative.r = 9 - ?3 cos ?
A. 
= 3?2 sin ?
B. 
= 3?2 sin ? - ?3 cos ?
C. 
= - 3?2 cos ? + ?3 sin ?
D. 
= 3?2 cos ? - ?3 sin ?
Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 
A. 756 ft B. 130 ft C. 420 ft D. 114 ft
Solve the problem.Sue drove her car 254 miles in January, 358 miles in February, and 459 miles in March. If her average mileage for the four months from January to April is to be at least 385 miles, how many miles must she drive in April?
A. at least 364 miles B. at least 469 miles C. at most 469 miles D. at most 385 miles
Find the product.6x(-6x2 - 7x - 1)
A. -36x3 - 42x2 - 6x B. -36x3 - 42x2 - 6 C. -36x3 - 7x - 1 D. -36x2 - 42x - 6