Hunter mowed 10 lawns in 8 hours. What was his rate of mowing in hours per lawn?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Which of the following statement about pascal's triangle are true?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )