Use the area of the rectangle to find the area of the triangle. 7
8
O A. The area of the triangle is 15 square feet, because the area of the
rectangle is 30 square feet.
B. The area of the triangle is 56 square feet, because the area of the
rectangle is 56 square feet.
C. The area of the triangle is 28 square feet, because the area of the
rectangle is 56 square feet.
D. The area of the triangle is 28 square feet, because the area of the
rectangle is 28 square feet.

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?