The midpoint of rs is n(-4,1). one endpoint is s(0,-7). a) what are the coordinates of r b) what is the length of rs to the nearest tenth of a unit?

Solve for x by completing the square. 2x^2-4x+7=0

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Write the rational number in lowest terms 99/-15