Answer:
25
+5ab+
Step-by-step explanation:

1. First, write out the expression without the square

2. Then use foil to multiply:
5a*5a+5a*
+
*5a+
*
=25
+5ab+
3. That is your answer.
Answer:
6s
Step-by-step explanation:
1. 2s-(-4s)
2. 2s+4s
3. 6s
2m+3=23
2m=20
m=10
let me know in the comments if you need further explanation :)
Answer:
3 and 6
4 and 5
Step-by-step explanation:
Alternate interior angles are on the opposite sides of the transversal, t, and between the parallel lines, r and s
3 and 6 are alternate interior angles
4 and 5 are alternate interior angles
Answer:
18÷n or 18a
Step-by-step explanation: