Simplify the expression using the order of operations.-  +  ÷  ? 

A. - 
B. - 
C. - 
D. - 


Answer: D

Mathematics

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Solve.Find the area of the rectangle.

A. 220 sq. ft
B. 20 sq. ft
C. 220 sq. ft
D. 2420 sq. ft

Mathematics

Identify the planes that are perpendicular. Select the correct answer.

Mathematics

If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.-

A. -10 B. 15.811 C. 10 D. -15.811

Mathematics

Simplify. Leave answer with exponent.23 ? 23

A. 26 B. 49 C. 29 D. 46

Mathematics