Solve the equation.-17 = b + 5
A. -22
B. 12
C. -12
D. 22
Answer: A
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5
A. log5x - 2
B. - 2log5x
C. log5x - 2
D. 10 - log5x
Solve the problem.Suppose eggplant pickers are paid as follows:1-200 eggplants picked$0.13 each201-350 eggplants picked$0.17 each351 or more eggplants picked$0.20 eachIf Rachel picks 372 eggplants, what are her gross earnings?
A. $48.36 B. $49.90 C. $74.40 D. $55.90
Solve the problem.The number of mobile phones sold in a given year is approximated by where x represents the number of years since mobile phones became readily available. The corresponding polynomial for phones is
Find the polynomial that represents how many more mobile phones than phones were sold in a given year.
A. -4x4 + x3 + 5x2 - 9x + 11 B. 4x4 - x3 + 13x2 - 3x + 9 C. -4x4 - x3 - 2x + 10 D. -4x4 + x3 + 12x2 + 3x - 9
Approximate the expression to the nearest thousandth.2.9(42) - 2(6) + 6
A. -32.6 B. 46.4 C. 34.4 D. 40.4