Use the counting principle to obtain the answer.A sports shop sold tennis rackets in 4 different weights, 3 types of string, and 3 grip sizes. How many different rackets could they sell?
A. 10
B. 48
C. 21
D. 36
Answer: D
Mathematics
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 8?
B. 
?
C. 
(2? + 3
)
D. 
(4? - 3
)
Mathematics
Find the common difference,d, of the given arithmetic sequence.- 
, - 
, - 
, - 
, ...
A. -4 B. - 2 C. 5
Mathematics
Write the negation of the statement.If I am in Milwaukee, then I am in Wisconsin.
A. I am not in Milwaukee and I am in Wisconsin. B. If I am not in Milwaukee, then I am not in Wisconsin. C. If I am in Milwaukee, then I am not in Wisconsin. D. I am in Milwaukee and I am not in Wisconsin.
Mathematics
Add.(3x3 + 5.6x + 4) + (9x2 - 2.3x - 8)
A. 12x3 + 13x2 - 7.9x - 8 B. 3x3 + 9x2 + 3.3x - 4 C. 3x3 + 13x2 - 3.3x - 8 D. 12x3 + 7.9x - 4
Mathematics