S= 15
3s=45
3s/3=45/3
S=15
You have to divide both sides
Answer:
1250
Step-by-step explanation:
125
<u>* 37</u>
875
<u>+ 375</u>
1250
Answer:
x=2
Step-by-step explanation:
this is just like the last one. since it is vertical it only includes the x value 2
Answer: 
Step-by-step explanation:
Rewrite it in the form
, where 

Use Square of Sum: 
