Answer:

Step-by-step explanation:
slope = -1/2
y - int. = 5/2
<em>good luck, i hope this helps :)</em>
Answer:
The area is 63a
The perimeter is 39b
Step-by-step explanation:
Answer:

Step-by-step explanation:
To add fractions <em>with the same denominator</em>, simply add the numerators:

So:

The answer is 2160. Do you need the steps ?