Perform the indicated operation. ? 

A. - 
B.
C.
D.


Answer: C

Mathematics

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Use your calculator to solve the problem.The length of a hypotenuse c of a right triangle with legs a and b of lengths a = 79mm and b = 42mm is given by c = . Calculate the length of the hypotenuse. (Round to an appropriate number of significant digits.)

A. 89mm B. 121mm C. 89.47mm D. 67mm

Mathematics

A child weighing 22.5 kg has an IV order for vancomycin. Calculate the q8h per dose dosage if the label states that the total daily intravenous dosage is 40 mg/kg of body weight.

A. 300 mg/dose B. 150 mg/dose C. 900 mg/dose D. 112.5 mg/dose

Mathematics

Combine like terms.-15 + 7.2x - 6.1 - 2.6x

A. 4.6x - 8.9 B. 4.6x - 21.1 C. -4.3x D. 5.6x - 21.1

Mathematics

Use the given values of the variable to make a vertical table of solutions for the equation.y = , x = -5, 5, 7, 9

A.

B.

C.

D.

Mathematics