A semicircle has a diameter of 18 centimeters. What is its area? (Use 3.14 for pi)

When full, a 22-gallon gas tank holds 129.8 pounds of gasoline. Estimate the weight of one gallon of gasoline. If it costs $91.30 to fill the gas tank, estimate the cost per gallon.

16=2x+3x+1 Solve for X

What's the radius of a circle with an area of 64 square feet? A. 4.51 ft. B. 20.38 ft. C. 5.41 ft. D. 41.5 ft.

I choose a card at random from a well-shuffled deck of 52 cards. There is a 1/4 probability that the card chosen is a spade, a 1/4 probability that the card is a heart, a 1/4 probability that the card is a diamond, and a 1/4 probability that the

Evaluate | - x - 2y | for x = - 5 and y = 5

Pizza is served in the school cafeteria every fourth school day. Tacos are served every third school day. Both pizza and tacos are served today. In how many school days will pizza and tacos be served on the same day again?

The cost of each white tile was £2 the cost of each blue tile was 4 pounds work out the ratio of the total cost of the white tiles to the total of the blue tiles

What is the lowest price per item? $6 for 3 $9 for 6 $10 for 8 $1.40 each

The graph shows sales as a function of time.

Which are factors of x^2 - 4x - 5?