Yi Min owns a small store. The first month the store was open, she made $1,375 in profit. During the next month, she advertised in the local newspaper and saw a 60% increase in profit. How much profit did she make the second month?

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)?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.