The answer is
x+y=10
20x+30y=280
Answer:
36
Step-by-step explanation:
You are given an expression and values to be put into it.
Simply substitute the values in instead of 
and 
.
When 
and 
:
- Note: Be careful with negative signs here. Two negatives make a positive.
Because you an in partial products you add the numbers like regrouping your still adding in regrouping
Answer:
y= -2.00x + 3.00 A
Step-by-step explanation:
The two long sides are 63meters and the shorter sides are 21meters.
