Answer:

Step-by-step explanation:
Answer: 2x+4=10
Step-by-step explanation:
because each notebook would cost $3 so 2 x 3 = 6 +4=10
Answer:
x = -3, y = 0
Step-by-step explanation:
15 - 9 = 6
6 - 9 = -3
0 + 5 = 5
5 +5 = 10
Answer:
Square
Step-by-step explanation:
From what it looks like I think it is a square