Convert to an exponential equation.log2  = -3

A. 21/8 = 3
B. 32 = 
C. 2-3 = 
D.  3 = 2


Answer: C

Mathematics

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Use the MACRS depreciation rates table to find the recovery percent (rate), given the recovery year and recovery period.MACRS Depreciation Rates  Recovery year: 5Recovery period: 10-year

A. 5.713% B. 8.93% C. 9.22% D. 11.52%

Mathematics

Evaluate.98 - 12 ? 4 + 247 ÷ (-19)

A. 331 B. -18 C. -1136 D. 37

Mathematics

Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = x3 + x2 - 42x

A. 0, multiplicity 1, crosses the x-axis 7, multiplicity 1, crosses the x-axis -6, multiplicity 1, crosses the x-axis B. 0, multiplicity 1, touches the x-axis and turns around; - 7, multiplicity 1, touches the x-axis and turns around; 6, multiplicity 1, touches the x-axis and turns around C. 0, multiplicity 1, crosses the x-axis - 7, multiplicity 1, crosses the x-axis 6, multiplicity 1, crosses the x-axis D. - 7, multiplicity 2, touches the x-axis and turns around 6, multiplicity 1, crosses the x-axis

Mathematics

A hospital has a 2%-saline solution and an 8%-saline solution on hand. How much of each should be used to prepare 3,600 cm 3 of 7%-saline solution?Amount of 2%-saline solution: __________ cm 3 Amount of 8%-saline solution: __________ cm 3

What will be an ideal response?

Mathematics