A $60 shirt is on sale for 30% off. How much is the shirt's sale price?

Ineed if you could explain and give me the answer you! this needs done

Which of the following expressions is equal to 2x^2+8

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)