Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.20% of what number is 78?
A. 390
B. 3900
C. 15.6
D. 39
Answer: A
Mathematics
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Solve.The volume of a cube is given by 125 cm3. What is the area of each side of the cube?
A. 5 cm2 B. 21 cm2 C. 10 cm2 D. 25 cm2
Mathematics
Find the slope-intercept form of the equation of the line with the given properties.Horizontal; containing the point (4, -2)
A. x = -2 B. y = 4 C. x = 4 D. y = -2
Mathematics
Use a graphing calculator to solve the equation. Round your answer to two decimal places.ex = x2 - 1
A. {2.54} B. {-1.15} C. {0} D. {-0.71}
Mathematics
Determine whether the proportion is true or false by writing the ratios in lowest terms.
= 
A. True B. False
Mathematics