I was wounding if you could help me with this question please.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?

If f(x)=3 over x+2 - square root x-3 then f(7)=