Perform the indicated operations and simplify. +  - 

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the problem.Which of the following is unavoidable in a survey using random sampling?

A. sampling bias B. confounding variables C. sampling variability D. nonresponse bias E. none of these

Mathematics

Write the equation in standard form (if necessary) and determine the equations of the asymptotes. Then graph the equation.25x2 = 9y2 + 225

A. y = ± x

B. y = ± x

C. y = ± x

D. y = ± x

Mathematics

Perform the indicated operation.87.8 L ÷ 0.5

A. 175.6 L B. 17.56 L C. 43.9 L D. 1756 L

Mathematics

Add.288 + 10 + 7577 + 4

A. 7879 B. 7894 C. 7729 D. 7864

Mathematics