Answer:
x(3+28y)
Step-by-step explanation:
21x-18x+28xy
3x+28xy
x(3+28y)
The area of rectangle with length l and width w is

If the length of rectangle is expressed as
and the width of rectangle is expressed as
, then the area of rectangle is

Answer:
l=5+2w
Step-by-step explanation:
Since the length is twice the width plus 5, the equation would look like :
l=5+2w
Answer:
About 9.4
Step-by-step explanation:
64+25=89
sqr root of 89 is 9.4339