Solve.Find the area of the window. If necessary, use ? ? 3.14 and round your result to the nearest tenth.4 ft

A. 51.1 sq ft
B. 98.2 sq ft
C. 73.1 sq ft
D. 22.3 sq ft


Answer: D

Mathematics

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Find the opposite of the number.2.9

A. -2.9
B. 0
C.
D. 2.9

Mathematics

Simplify the rational expressions.

A.
B.
C.
D.

Mathematics

Solve for the specified variable. Assume that the constants have values for which the equation has exactly one real-number solution.x =  , for r.

A. r = 
B. r =  
C. r = 
D. r = x + y

Mathematics

Before the parachute opens, the velocity v (in meters per second) of a skydiver is given by , where t is time in seconds into the jump. Find the velocity after 18 seconds. Round to two decimal places. ?

A. 0.97 m/sec B. 48.63 m/sec C. 9.06 m/sec D. 45.88 m/sec E. 1.37 m/sec

Mathematics