john scored 15 points his first game. In his last game he scored 20 points. What was his percent of increase?

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75