an Olympian swam the 200 meter freestyle at a speed of 1.8 meters per second, an Olympic runner ran the 200 meter dash in 21.3 seconds . how much faster was there runners speed than the swimmers speed to the nearest tenth of a meter per second

8(-10x+3.5y-7)

8×-10x + 8×3.5y + 8×-7

-80x + 28y - 56

therefore

-80x+28y-56 is the correct answer

nope.   happens to me as well.

-aparri

multiply length by height. multiply the length by the height, and then double the product. work out 10 x 10 results = 100 square inches, then work out 100 x 2 = 200. the answer is 200 square inches.

step-by-step explanation: