My 6th grader with math and i'm lost! *i can rewrite an expression using the gcf for an expression. 56+24 you!

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

Which strategy is used by public health to reduce the incidence of food poisoning?

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?