In a concert, 18 people sang and 14 played piano. Six people played both. How many people played at the concert.

Find the area of a trapezoid with bases 2ft and 3ft and height 1/3 foot. Round your answer to the nearest tenth

A car dealer had 12 red cars on his lot at the beginning of the month. the first week he sold 8 of them. What fraction did he sell?

What is the value of k in the product of powers below? 1 0 -1 -3

Which shows the order of the angles from smalest to largesi?

Bonnie worked for 7 hours each day for 30 day. how many hours did she work altogether

The expression 12 x + 15 x - 11x can be combined because of which property?

Is the sum even or odd? 6+7

Use the data for each plant's growth to determine and compare the rates of change. How fast does Plant A grow each week? How fast does Plant B grow each week? Which plant grows faster each week?

Which is the best way to pay your credit card bill?

A hollow ball is made of rubber that is 1 cm thick. The ball has a radius of 5 cm at the outside surface. What is the approximate volume of rubber used to make the ball? Use 3.14 to approximate pi.