Calvin has 13 coins, all of which are quarters and nickels. The coins are worth $2.45. How many of each coins does Calvin have?

Maria claims that any fraction located between 1/5 and 1/7 on a number line must have a denominator of 6. Enter a fraction that shows Maria's claim is correct.

Solve the equation for x - x*2-10x+24=0

Greg weighed 140 pounds. On his diet he lost 15 pounds. What was the percent of decrease in Greg's weight?

Which of the binomials below is a factor of this trinomial x^2-13x+36

Convert 2.50 / gram into dimes/gram

Simplify - 7 + [5 + (-12) : 3] - 6 - 34/3 - 8

A class is selling magazines as a fund raiser. Of the 500 magazines sold, Amy sold 1/9 of them. Garret sold 0.145 of the magazines. Robbie sold 11/100 of the magazines, and Carlita sold 0.095 of the magazines. Who sold the most magazines?

If there are 1.61 kilometers in a mile and also 5280 feet in a mile, the how many feet are there in 3 kilometers

Find the least common multiple of 6, 2 and 9

A line is imaginary. True or False?