pls i need help i have more coming your way i will friend the person that helps me and i will try to give them 100 points

A and B

Explanation:

To find the answer in these problems you must first convert the mixed numbers to improper fractions using the equations .

So for the top equation you would have to do something like which equals:

And make sure to do that for both mixed numbers.

You would then plug those mixed numbers back into the equation like so:

Multiply them together to get

then subtract that by 1/2

convert it back into a mixed fraction.

and you should get as your answer.

You then must do that for all the questions and find whichever ones match with that one.

y=x+2 hope this jdjxhdnzbdjdo

687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09