Find area of figure. Round to the nearest hundredth if necessary.Find the area of a square measuring 40.5 m on a side.

A. 3280.5 m2
B. 1640.25 m2
C. 81.0 m2
D. 162 m2


Answer: B

Mathematics

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Determine if the ordered pair is a solution to the given inequality.x + 2y > 6; (3, 2)

A. Yes B. No

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Solve the problem.A room in the shape of a triangle has sides of length 18.5 yards,  and  If carpeting costs $21.83 per square yard, padding costs  per square yard, and there is no charge for installation, how much, to the nearest dollar, will it cost to carpet the room?

A. $615 B. $132 C. $3198 D. $5684

Mathematics

An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;T = 10 seconds

A. d = 5 cos (10t)
B. d = -5 cos 
C. d = -5 cos (10t)
D. d = 5 cos 

Mathematics

Use a calculator to find the function value to four decimal places.tan 22.11°

A. 0.1386 B. 1.2850 C. 0.9265 D. 0.4063

Mathematics