The weekly salaries of teachers in one state are normally distributed with a mean of $490 and a standard deviation of $45. what is the probability that a randomly selected teacher earns more than $525 a week? your answer should be a decimal rounded to the fourth decimal place.

Which of these tables represents a non-linear function?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall