Can someone give me the answer and ye..i don't wanna guess on this one since it' big part of my grade

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

3/4 = c/36 i need with this fraction proble.