Find the surface area of a cone with a slant of 13ft and a radius of 5ft

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?