One side of a triangle is 3 times the second side. The third side is 17 feet longer than the second side. The perimeter of a triangle is 52 feet. Find the length of each side.

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)?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.