Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to nearest 0.1°. Find B if a = 9 in. and b = 7.2 in.
Fill in the blank(s) with the appropriate word(s).
38.7°
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Find the product.8x5(-8x6 + 8x5 + 5)
A. -64x11 + 64x10 + 40x5 B. -64x6 + 64x5 + 40 C. -64x11 + 64x10 D. -64x11 + 8x5 + 5
Consider below the branching tree diagram based on the number per 3000 American adults. 
LetT = the set of Americans who like classical music R = the set of Republicans who like classical music D = the set of Democrats who like classical music I = the set of Independents who like classical musicDetermine whether the statement is true or false.R ? T
A. True B. False
Solve the problem.The speed of a stream is 5 mph. If a boat travels 74 miles downstream in the same time that it takes to travel 37 miles upstream, what is the speed of the boat in still water?
A. 10 mph B. 17 mph C. 15 mph D. 18 mph
Factor completely, or state that the polynomial is prime.4x5 - 4xy2
A. 4x(x2 - y)2 B. 4x(x2 + y2)(x + y)(x - y) C. 4x(x2 + y)(x2 - y) D. prime