Provide an appropriate response.Explain the relationship that exists between the slopes of lines that are perpendicular.
What will be an ideal response?
The product of the slopes is -1.
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Solve the problem.A 35-foot ladder is leaning against the side of a building. If the ladder makes an angle of 
with the side of the building, how far is the bottom of the ladder from the base of the building? Round your answer to the hundredths place when necessary.
A. 15.63 ft B. 20.03 ft C. 4.96 ft D. 14.33 ft
Factor.81x2 + 90xy + 25y2
A. (81x + 1)(x + 25) B. (9x + 5y)(9x - 5y) C. (9x + 5y)2 D. (9x - 5y)2
Factor completely.2x3 + 6x2y - 20xy2 = 2x( 
)( 
)
A. x + 4y, x - 5y B. x + 2y, x - 5y C. x + 4xy, x - 5y D. x - 2y, x + 5y
Solve the problem.A multiplier of 2.18 corresponds to a percentage increase or decrease of what percent?
A. 218% increase B. 118% increase C. 118% decrease D. 180% increase