Answer:waffle
Step-by-step explanation:
Basically ill tell you the answer if it says it helped you
When adding two digit numbers u will be looking at the ones and deciding if they can regroup them for a ten. You might want to equate regrouping with trading a term that you will understand immediately you will begin to add 2 digit numbers by using ten and ones blocks. And the answer is (107)
7.5 i think not 100% sure tho
I would first subtract 7 from 34 then divide by negative 3 and get -9