Aroller coaster starts from a deck at an elevation of 20 feet above the ground. on the first hill it climbs 83 feet and then drops 42 feet. on the second hill the coaster climbs 128 feet and then drops 90 feet. how far above the ground is the coaster after the second hill?

4.0 ft

step-by-step explanation:

4.0 ft

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

now, we can solve for w

subtract both sides by 12

divide both sides by 2

and we get

so,

the smallest possible measurement of the width is 14 feet