Simplify the expression. Assume that all variables are positive when they appear.
A. 9y4
B. 3y4
C. 3y6
D. 3y8
Answer: B
Mathematics
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Factor completely, or state that the polynomial is prime.49x2 - 42x + 9
A. (7x + 3)2 B. (7x - 3)(7x + 3) C. (49x + 1)(x + 9) D. (7x - 3)2
Mathematics
Simplify.11 + (-12) - (-1) - 6 + 19
A. 25 B. 23 C. 9 D. 13
Mathematics
Solve the problem.A manufacturer's cost is given by C = 400n1/3 + 1200, where C is the cost in dollars and n is the number of parts produced. Find the cost when 64 parts are produced.
A. $2000 B. $2800 C. $4400 D. $100
Mathematics
Divide, simplifying if possible. Write the final answer as a mixed number whenever possible.4
÷ 1
A. 2
B. 2
C. 3
D. 2
Mathematics