Please help I'm so confused rn:((

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

The heaviest 16% of all men in weight weigh more than how many pounds ?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2