Will give brainliest to correct answer! kevin ran 3 miles more than steve ran. the sum of their distances is 31 miles. how far did steve run? write algebraic expressions for the distances each person ran.

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5

The area of a circle is equal to 1 dm². find the radius of the circle.