A test is worth 30 points. Multiple-choice questions are worth 7 point and short-answer questions are worth 2 points. If the test has 20 questions, how
many multiple-choice questions are there?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96