Solve the problem.The area of a rectangular wall in a classroom is 260 square feet. Its length is 4 feet shorter than three times its width. Find the length and width of the wall of the classroom.
A. width = 10 ft; length = 26 ft
B. width = 10 ft; length = 22 ft
C. width = 10 ft; length = 14 ft
D. width = 10 ft; length = 34 ft
Answer: A
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Use elimination to solve the system of equations.x - 7y = -104x - 8y = -20
A. (3, 2) B. Inconsistent; no solutions C. (-3, 1) D. (-4, 2)
Verify the identity.
= csc x + cot x
What will be an ideal response?
Solve the problem.Last year the hatch-back model of a new car cost $16,165. This year's model costs 
How much more does this year's model cost?
A. $32,954 B. $524 C. $624 D. $31,954
The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.{3n2 - 4}
A. Geometric, r = 3 B. Arithmetic, d = -4 C. Arithmetic, d = 3 D. Neither