Andi walks at a rate, r, of 4 miles per hour. What is the distance, d, that she walks in the time, t, of 3 hours?

In a batch of 860 calculators, 9 were found to be defective. What is the probability that a calculator chosen at random will be defective? Write the probability as a percent. Round to the nearest tenth of a percent if necessary.

1. "The sum of twice a number and 19 is - 23."

R the experiment of rolling an ordinary pair of dice, find the probability that the sum will be less than 4 or greater than 10.

A number written as the sum of the value of digit is written in

Manuel wants to calculate how many miles his father's car travels on one gallon of gas. He knows that on a full 15-gallon tank of gas, the car can travel 225 miles. Which equation could Manuel use to calculate m, the car's mileage per gallon?

What time is 80 minutes before 1:10

A sample of fifth-grade classes was studied in an article. One of the variables collected was the class size in terms of student-to-faculty ratio. The student-to-faculty ratios of the 70 fifth-grade classes sampled have a mean of 17.

Patrick, Paulo, and Joseph divided 68 oranges. Patrick got two oranges less than Paulo and Paulo got twice as much as Joseph. How many oranges did Joseph get?

Goofy wants to buy white rice. The store has 4 different sizes of white rice bags: $2.00 for 1 pound, $4.25 for 2 pounds, $9.50 for 5 pounds, and $20.00 for 12 pounds. Which poundage should Goofy buy?

Find the measure of angle JCA if J is the incenter of the triangle ABC