jessie hiked 5(1/2) miles on sunday and 6(3/4) miles on sunday .how many miles did jessie hike altogether ?

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

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

Find the value of the variable and the length of each chord for #5 and #6.