Jack made $30 mowing lawns in may and $72 mowing lawns in june. by what percent did the amount of money jack made mowing lawns increase from may to june. show work to support you answer

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi