By what percentage should a quantity be multiplied by in order to decrease it by 63%?

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)?

What’s -11-33k and factor each expression completely

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red