What is the area of a trapezoid that has a base of 21 cm, a base of 15 cm, and a height of 9 cm? Question 1 options:

A: 2,835 sq cm

B: 162 sq cm

C: 324 sq cm

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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 this equation using substitution. {4x + y = −2} {4x + 6y = 44}