Evaluate using the order of operations.-2 - 52 - (-7)

A. 34
B. 30
C. -34
D. -20


Answer: D

Mathematics

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Evaluate the expression.(-2)0

A. 0 B. 1 C. -2 D. -1

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5.1 ð 104 - 3.92 ð 104 =

a. 3.41 ð 104 b. 1.18 ð 105 c. 1.18 ð 104 d. -3.41 ð 105 e. -3.41 ð 104

Mathematics

The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?

A. No B. Yes

Mathematics

Solve the problem.The formula D = 8e-0.04h can be used to find the number of milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. When the number of milligrams reaches 4, the drug is to be given again. What is the time between injections?

A. 17.33 hrs B. 51.99 hrs C. 34.66 hrs D. 20.47 hrs

Mathematics