Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 18 feet by 24 feet and the area of the rug is 160 square feet, how wide will the border be?
A. 4 ft
B. 6.5 ft
C. 6 ft
D. 5 ft
Answer: A
Mathematics
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Check to see if the given number is a solution for the equation.x3 + 6x2 = - 8(x2 + 6x); check x = 0
A. 0 is a solution. B. 0 is not a solution.
Mathematics
Write an equation in slope-intercept form of the line satisfying the given conditions. Perpendicular to the line x + 4y = -4; containing the point (-4, -2).
A. y = 4x + 18
B. y = - 
x - 1
C. y = 
x - 1
D. y = 4x + 14
Mathematics
Solve the equation.
= 
A. 
B. ?
C. 
D. 
Mathematics
Use the given information to answer the question.The number N, in millions of Americans of age x with arthritis, is estimated with the following graph. 
Approximately how many 70-year-olds have arthritis?
A. 3,900,000 B. 275,000 C. 30,000 D. 2,900,000
Mathematics