Whats the answer to (-5/8)+(-7/6)+(-9/8) using commutative property?

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)

Vertical angles must check all that apply

If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?