Solve the problem.The length of a room is 3 feet more than the width. The room has a floor area of 378 square feet. Find the dimensions of the room.
A. Length: 18 feet; Width: 15 feet
B. Length: 24 feet; Width: 21 feet
C. Length: 21 feet; Width: 18 feet
D. Length: 22 feet; Width: 19 feet
Answer: C
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Find all horizontal asymptotes of the given function, if any.h(x) = 5 - 
A. y = 5 B. y = 8 C. x = 0 D. no horizontal asymptotes
Solve the problem.A triangular lake-front lot has a perimeter of 1500 feet. One side is 400 feet longer than the shortest side, while the third side is 500 feet longer than the shortest side. Find the lengths of all three sides.
A. 100 ft, 200 ft, 300 ft B. 300 ft, 700 ft, 800 ft C. 300 ft, 300 ft, 300 ft D. 200 ft, 600 ft, 700 ft
Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.(5x5 - 3x3 + 2x) + (4x5 + 8x3 + 7x)
A. 23x9 B. 9x5 + 5x3 + 9x C. 6x5 + 13x3 + 4x D. 9x + 5x5 + 9x3
Provide an appropriate response.Find and explain the mistake(s); then work the problem correctly.(4x3 - 3x2 + 5x - 1) - (9x3 - 9x2 - 2x + 4) = -5x3 - 6x2 + 3x + 3
What will be an ideal response?