William has a lemonade stand today he made $17.55 and lemonade sales and one-third that amount in cookie sales how much money did william make all together how do you work the problem out

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2