Take some ore brainliest

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height