Multiply.9 ? 9
A. 72
B. 90
C. 81
D. 18
Answer: C
Mathematics
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Solve the problem.How much work does it take to slide a box 33 meters along the ground by pulling it with a 133 N force at an angle of 45° from the horizontal?
A. 
joules
B. 4389 joules
C. 2194.5
joules
D. 4389
joules
Mathematics
Simplify the expression.4x + 6(x + 1)
A. 10x - 6 B. 5x + 6 C. 24x + 7 D. 10x + 6
Mathematics
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.ln e2
A. 8
B. e
C. 2
D. 64
Mathematics
Answer the question.What value for x makes the expression 21 - x equal to 14?
A. 7 B. 17 C. 8 D. 35
Mathematics