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Solve the problem.The regular price of a double roll of wallpaper is $29. During a May sale, wallpaper was discounted 25%. What was the sale price of a double roll of wallpaper?

Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.Find the increase in the number of female athletes from 2002 to 2003.

Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.Find the increase in the number of male athletes from 2003 to 2004.

Find the average.138, 204, 228, 126, 156, 222

Find the following.Find -(-x) when x is 173.

Find the prime factorization of the number.63

Determine whether the number is divisible by 2, 3, 5, 6, 9, and / or 10.15,222

Solve. What percent of 40 is 32?

Solve.7x + 4 = 6x + 6

Divide and simplify. ÷ (4m)