When solving the equation ½t = -7, the next logical step is multiply both sides of the equation by 2. the justification is the

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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)

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?