562 hamburgers and cheeseburgers were sold together one day. There were 62 more cheeseburgers than hamburgers. How many hamburgers and cheeseburgers were sold?

What is the quadric regression equation that fits these data

What situation is an example of an observational study

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.