Answer:
-1/25
Step-by-step explanation:
divide 21 by 12 then multiply by 10 = $17.5
Area = length * width
width = w
length = 2w+7
A = (2w+7) * w
250 =2w^2+7w
0 = 2w^2 +7w-250
5lb of m&mns and 6lb of raisinets
5lb x 2$ = $10
6lb x 1.5 = $9
300000
30000
3000
300
Use the zero's trick for 10's.