Solve the problem.The length of a rectangular room is 5 feet longer than twice its width. Its perimeter is 178 feet. Find the dimensions of the room (length and width).

A. width: 33 ft; length: 71 ft
B. width: 28 ft; length: 61 ft
C. width: 56 ft; length: 122 ft
D. width: 42 ft; length: 47 ft


Answer: B

Mathematics

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Solve.Points A and B are on opposite sides of a lake. A point C is  from A. The measure of angle BAC is  and the measure of angle ACB is determined to be 38°30'. Find the distance between points A and B to the nearest meter.

A. 55 m B. 53 m C. 26 m D. 28 m

Mathematics

Solve the problem.A ball dropped from the top of a building has a height of s = 576 - 16t2 meters after t seconds. How long does it take the ball to reach the ground? What is the ball's velocity at the moment of impact?

A. 36 sec, -1152 m/sec B. 6 sec, -192 m/sec C. 12 sec, -96 m/sec D. 6 sec, 192 m/sec

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Write the expression in the standard form a + bi.i13

A. -i B. i C. -1 D. 1

Mathematics

Find the indicated sum. Find the sum of the first 10 terms in the geometric series  +  +  . . .

A. - 
B.
C.
D. - 

Mathematics