Please help me

545.9

Step-by-step explanation:

637.1 - 91.2 = 545.9

Sorry that I couldn't explain more, but i hope this helps!

Also if it's right could you mark me as brainliest? I need 1 more to level up

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

answer:

step-by-step explanation: