Evaluate.a3 for a = -2
A. 6
B. -8
C. -6
D. 8
Answer: B
Mathematics
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Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Not conservative B. Conservative
Mathematics
Solve.The total bill for Frances' purchase is $26.50 including sales tax. If the sales tax is 6%, how much was the ticket price of the purchase?
A. $25 B. $250 C. $150 D. $175
Mathematics
Simplify the expression.
÷ 
A. (z + 8)(z + 7)
B. 
C. 
D. 
Mathematics
Solve the problem.Edwin has a board that is 5 feet long. He wants to cut the board into pieces that are 1.0 feet long. How many 1.0-foot pieces will he get from the large board?
A. 4 pieces B. 50 pieces C. 5 pieces D. 6 pieces
Mathematics