An adult drinks a beverage containing 110 milligrams of caffeine. The amount c (in milligrams) of caffeine in the person's system can be modeled by the function c = 110(0.89)x where x is the number of hours that have elapsed. About how much caffeine is in the person's system after 3 hours?

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Don't know how to find x given these segment lengths