Simplify the expression.(-4p3q3r3)4
A. (-4)12p12q12r12
B. (-4)4p12q12r12
C. -16p7q7r7
D. (-4)4p7q7r7
Answer: B
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Solve the variation problem.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 3 lb C. 1 lb D. 2 lb
Solve the problem.Suppose that candidates A and C have moderate political positions, while candidate B is quite liberal. Voter opinions about the candidates are as follows:28% want A as their first choice, but would also approve of C.40% want B as their first choice, and approve of neither A nor C.27% want C as their first choice, but would also approve of A5% want C as their first choice, and approve of neither A nor B.Which candidate wins by an approval vote?
A. A B. C C. There is a tie. D. B
Fill in the blank with <, >, or = to form a true comparioson statement.8
_____ 8.624
A. < B. = C. >
Fill in the blank with one of the words or phrases listed below.
triangles have the same shape and the same size.
A. Similar B. Pythagorean C. Congruent D. Right