What is 270qt: 105 gal in simplest form

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount