7 1/2 is already simplified to its lowest terms
So remember that the distance formula is .
1.
Distance between (4,-5) and (4,-2) is 3 units.
2.
Distance between (1,1) and (-1,4) is √13 (or 3.61 rounded to the hundreths) units.
You can download this app called photo math and take a pic of it and it tells you the answer
700,000 is the answer I believe