Find the indicated root, or state that the expression is not a real number.

A. -10
B. 10
C. 100
D. 40


Answer: B

Mathematics

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The speed for certain animals is related to the stride length by a power function. The value of the power in this function is . If  the stride length is doubled, how is the speed affected? Round your answer to two decimal places if necessary. ?

A. Speed is multiplied by 1.12. B. Speed is multiplied by 2.08. C. Speed is multiplied by 2.18. D. Speed is multiplied by 1.3.

Mathematics

Find the value of the determinant.

A. 5 B. 3 C. 0 D. -3

Mathematics

Solve the equation by multiplying both sides by the LCD.x - 7 = 

A. {-8, 1}
B.
C.
D. {-1, 8}

Mathematics

Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.

A.

B.

C.

D.

Mathematics