Find an equation for the line with the given properties.The solid line L contains the point (3, 3) and is perpendicular to the dotted line whose equation is 
Give the equation for the line L in slope-intercept form.
A. y = - 6x + 21
B. y = 6x - 21
C. y = - 
x - 
D. y = - 6x - 21
Answer: A
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Find the unknown length in the space figure.Find the distance x. Give an exact answer.
A. 
B. 
C. 
D. 
Solve the variation problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 40 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 45 feet and 8-foot walls.
A. 36 quarts B. 7.2 quarts C. 3.6 quarts D. 360 quarts
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (8, -9), perpendicular to x = -5
A. x = -5 B. y = -9 C. y = -5 D. y = 9
Solve the problem.A gas company has the following rate schedule for natural gas usage in single-family residences:Monthly service charge $8.80Per therm service charge1st 25 therms$0.6686/thermOver 25 therms$0.85870/thermWhat is the charge for using 25 therms in one month?What is the charge for using 45 therms in one month?Construct a function that gives the monthly charge C for x therms of gas.
What will be an ideal response?