The highest elevation in north america is mounth mckinley, alaska, which is 20,320 feet above sea level. the lowest elevation in north america is death valley, california, wich is 282 feet below sea level. what is the change in elevation fromt he top of mounth mckinley to dath valley?

Step-by-step explanation:

highest is 20,320

lowest is 282 below sea level-282

20,320 - (-282) =

20,320 + 282 =

20,602 ft <

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40

step-by-step explanation:

the true ones are a b and d