To start a mobile dog-grooming service, a woman borrowed $3500. If the loan was for 2 years and the amount of interest was $224, what simple interest rate was she charged?

Three times the sum of a number and seven is negative thirty-six. what is the number?

How many solutions does the nonlinear system of equations graphed bellow have?

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)