Ok it mean that 160 is the small square
I'm gonna say guess the equation is -7^2.
The answer would be 49.
49 would make that equation true.
Answer:

Step-by-step explanation:

1) 2 minutes = 2 x 60 = 120 seconds
2) 1500 meters per second x 120 seconds = 180 000 meters = 180 km
Answer:
Step-by-step explanation:
Solving like terms
18y + 2z