Jaylyn selected a weight that was stamped 2 grams and placed it on the digital scale. the digital scale recorded the mass as 2.12 grams. assume that the scale is the approximate value. calculate the percent error for the scale.

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

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)?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0