How many times can 7 go 48 with out going over?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

State one method by which you can recognize a perfect square trinomial.