Add. Write the answer in lowest terms as a mixed number.
A. 33
B. 19
C. 31
D. 32
Answer: D
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Solve the inequality graphically by using a graphing calculator.4 cos 2x < 2x - 5
A. x > 1.15 B. 1.15 < x < 2.31, x > 3.63 C. x < 1.15, 2.31 < x < 3.63 D. x > 3.63
Use properties to perform the calculations. Express answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Solve.One day 30 mail carriers were sick with the flu. If this were 60% of the total number of mail carriers, how many mail carriers were there altogether?
A. 1800 mail carriers B. 50 mail carriers C. 500 mail carriers D. 18,000 mail carriers
Solve.ABC phone company charges $21 per month plus 8¢ per minute of phone calls. XYZ phone company charges $15 per month plus 10¢ per minute of phone calls. How many minutes of phone calls in a month make XYZ phone company the better deal?
A. More than 30 minutes B. Less than 30 minutes C. More than 300 minutes D. Less than 300 minutes