What unknown number makes 7 x 8 true
please answer it in 5 minutes

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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)?