Peter walked for 2/5 mile to fred's house in then a half a mile to the park how can he write 2/5 and 1/2 as a pair of fractions with a common denominator. plz show steps

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

How many solutions does the nonlinear system of equations graphed below have?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point