If a scale factor is 5/2 , how would you write the general rule ? is this an enlargement or a reduction?

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

I'm terrible at math any here is appreciated.

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.