A contractor buys screws for $1.55 per box and nails for $1.05 per box. Write an equation for the total cost. Then find the cost of 3 boxes of screws and 5 boxes of nails.

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)?

Aline passes through 3,7 and 6,9 what equation represents the line

15 points what is the end behavior of this graph? & what is the asymptote of this graph?