Solve the problem.The formula for the perimeter of a rectangle is P = 2L + 2W. If P = 56 and W = 9, find the value of L.
A. 18
B. 17
C. 19
D. 16
Answer: C
Mathematics
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A. x < -5 B. x ? -5 C. x ? -5 D. x > -5
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Factor by grouping.15x2 + 19x + 6
A. (15x + 2)(x + 3) B. (3x + 2)(5x + 3) C. (3x - 2)(5x - 3) D. Prime
Mathematics
Multiply.(6x + 5y)2
A. 6x2 + 60xy + 25y2 B. 6x2 + 25y2 C. 36x2 + 25y2 D. 36x2 + 60xy + 25y2
Mathematics
Determine if the given ordered triple is a solution of the system.(1, 4, 0) x - y + 2z = -22x+ z = 1 x + 3y + z = 13
A. not a solution B. solution
Mathematics