What is equivalent to 3/15 and what is equivalent to 8/3 what is equivalent 1 & 4/6?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?

On tuesday, a local hamburger shop sold a combined total of 375 hamburgers and cheeseburgers. the number of cheeseburgers sold was two times the number of hamburgers sold. how many hamburgers were sold on tuesday?