Answer:
96
Step-by-step explanation:
hope it helps:)
Number 19 I think is if you add the awnser to one of the numbers you where subtracting and you get the other number you where subtracting you are right like...
Lets say you had the problem 3-2 which is obviously 1 but if you did 2+1 it's 3 so that's how you check.
Answer:
He traveled 612 miles in total.
Step-by-step explanation:
You simply multiply the mph he was going to how long he traveled for. This gives us 72x8.5 equaling 612.
Answer: 21 cm
Explanation: it doesn’t make sense if the missing side was 45 cm because it’s shorter than the other sides and their measurements are 34 and 28 cm