Divide.
A. -
B.
C. -5
D. -6
Answer: A
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Solve the inequality and graph the solution set.3x + 6 < 12
A. {x | x ? 2}
B. {x | x ? 2}
C. {x | x < 2}
D. {x | x > 2}
What is the hydrogen ion concentration of a 0.05 N solution of a certain acid if the dissociation is 75%?
A. 0.75 mol/L H+ B. 0.0375 mol/L H+ C. 0.375 mol/L H+ D. 0.05 mol/L H+
Solve the problem.A boat goes 160 mi downstream in the same time it can go 120 mi upstream. The speed of the current is Find the speed of the boat in still water.
A. 72 mph B. 63 mph C. 54 mph D. 28 mph
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log4(x - 3) - log4(x + 1)
A. log4-4
B. log4(x2 - 2x - 3)
C. log4
D. log4