Simplify.72 - 3 ? 5
A. 230
B. 80
C. 34
D. 140
Answer: C
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Solve the problem.A cereal factory has weekly fixed costs of $32,000. It costs $1.37 to produce each box of cereal. A box of cereal sells for $3.85. Express the cost function c(x) that gives the total weekly cost of producing x boxes of cereal.
A. c(x) = 32,000 + 3.85x B. c(x) = 32,000 + 2.48x C. c(x) = 32,000 + 1.37x D. c(x) = 1.37x
Factor out the GCF from the polynomial.40x + 20
A. 4(10x + 5) B. 5(8x + 4) C. 20(2x) D. 20(2x + 1)
Divide.
A. 4x2 + 4x - 3 B. 4x2 - 3 C. x2 - 4x + 3 D. x2 + 4x - 3
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.What is 6.045 grams from 622.2 grams?
A. Estimate: 594 grams; exact: 616.165 grams B. Estimate: 694 grams; exact: 626.155 grams C. Estimate: 594 grams; exact: 616.255 grams D. Estimate: 594 grams; exact: 616.155 grams