the probability of passing a driver exam with lessons is x and without lessons is 0.37. 67% of a students take lessons. Please provide answers for page with simple explanation.

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Place the following steps in order to complete the square and solve the quadratic equation,