On a feild trip there are 3 adults for every 45 student which graph models a relationship with the same unit rate

Write 17/20 as a decimal and as a percent.

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)

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense