Solve.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 35 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 55 feet and 8-foot walls.
A. 8.8 quarts
B. 44 quarts
C. 4.4 quarts
D. 440 quarts
Answer: C
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Multiply.(5x + 12y)2
A. 25x2 + 120xy + 144y2 B. 5x2 + 144y2 C. 25x2 + 144y2 D. 5x2 + 120xy + 144y2
Complete the sketch so that it has the indicated symmetry.Complete the sketch so that it has line symmetry about l.
What will be an ideal response?
Determine if each ordered pair is a solution to the given system of inequalities in two variables.x2 = y2 + 39x - y = 3(i) (8, -5); (ii) (-8, -5)
A. (i) Yes; (ii) No B. (i) Yes; (ii) Yes C. (i) No; (ii) Yes D. (i) No; (ii) No
?The average typing speed N (in words per minute) after t weeks of lessons is modeled by 
. Find the rate at which the typing speed is changing when 
weeks. Round your answer to two decimal places.
?
A. ?1.51 words/min/week B. ?2.15 words/min/week C. ?2.51 words/min/week D. ?4.38 words/min/week E. ?5.04 words/min/week