Answer:
Around 19 rows
Step-by-step explanation:603/31= 19.40 so I'm not too sure
Answer:
If you have given an equation, you see the x and y in it. Just taking second equation and think any common factor between x's variable. With common factor, multiply both and you will find the value of y and put it in any equation, you will find the value of X.
Answer:

Step-by-step explanation:
We want to evaluate:

for x=-2 and y=-4.
We substitute to get:

We now simplify to get:



Answer:
The answer is the 1st one.
Step-by-step explanation:
Hope it helps! :)
Answer:
Step-by-step explanation:
4x + 7 + 2x + 5 = 180
6x + 12 = 180
6x = 168
x = 28
4(28) + 7= 112 + 7= 119
2(28) + 5 = 56 + 5= 61