Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of six students, find the probability that exactly four are chemistry majors.

Maura runs 5 miles in 1.25 hours. Ava runs 3 miles in 50 minutes, or 0.83333333333 hour. Who runs faster?

Find the value of - 12 + 8 - (-9). O-5 05 0-13 O 13

It takes Benjamin 28 minutes to mow 2 lawns. How long does it take him to mow 1 lawn? Assuming the lawns are the same size and Benjamin works at the same speed, how long will it take him to mow 5 lawns?

Using only whole numbers, Nikki wrote as many multiplication equations as she could with 12 as the product. What were her equations?

If the three angles of a triangle have equal measures, find that measure.

sophia borrowed $12,109 at 4.5% simple interest for 6 months. How much will the interest amount to? What is the total amount that she will have to pay back at the end of 6 months?

Are 4 m larger than 400 dm

Principal = $450 rate = 5% time = 4 years simple interest = compound interest =

A sentence that equals to x=7

A car with a tank that holds 11.6 gallons of gasoline is using 1.45 gallons per hour. Is the tank more than half full of gasoline after 3.5 hours? Explain your answer.