Replace the variable as indicated and decide whether the given number is the solution.19 = d - 6; replace d with 25
A. 19 = 19; Yes
B. 15 = 19; No
Answer: A
Mathematics
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Simplify the expression. Write the answer using positive exponents.(4t)-2
A. 
B. -8t
C. -16t2
D. 
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. x3 B. x6 C. x4 D. 3x
Mathematics
Solve the problem.A rectangular Persian carpet has a perimeter of 204 inches. The length of the carpet is 30 inches more than the width. What are the dimensions of the carpet?
A. 72 inches by 102 inches B. 87 inches by 117 inches C. 36 inches by 66 inches D. 66 inches by 96 inches
Mathematics
Factor completely.10x6 - 15x3 + 6x3 - 9
A. (5x6 + 3)(2x - 3) B. (5x3 - 3)(2x3 + 3) C. (10x3 - 3)(x3 + 3) D. (5x3 + 3)(2x3 - 3)
Mathematics