Need help please and thank you

inverse operation of addition

it has to have an angle of 90 degrees

-x represents miles per gallon

-y represents cargo weight

-vehicle traveled an average of 5.3 miles per gallon(x1) with load of 22 tons (y1)

- vehicle traveled an average of 6.3 miles per gallon( x2) with load of 18 tons( y2)

so, equation now becomes

so, option a) is correct

oh, its easy. 25x3 is 75, so multiply everything by 3

150 sausage rollers

225 sandwiches

and

75 samosas