The price of gasoline rose from $1.54 to $3.85. A: What is the percent increase?

B: If the price reverses from $3.85 to $1.54, what is the percent decrease?

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)?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?