What do i need to do to find the slope if it's a fraction cause i did -5--2 over 2-6 which gave me -3/-4?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b