Answer:

Step-by-step explanation:
Given

Required
Solve

Apply distributive law of algebra

Evaluate the expression in bracket

Remove bracket

When a number is in standard form: 
The value of a must be: 
So, the expression becomes:

Apply law of indices


Perimeter=2(l+w)
36=2(l+w)
(l+w)=18
l=18-w
area of a rectangle=w*l
put value of l here
Area=w*(18-w)
Area=18w-w^2
Joey has an average of 8. While Carlos has an average of 7.125. Joey has the greater average by 0.875
21/24
Divide 21 by 3. You get 7.
Divide 24 by 3. You get 8.
7/8 is your answer
179.6 Celsius because I took the quiz in there no percentages in his air.