Colleen bought 8 kilograms of apples and 2.5 kilograms of pears how many more grams of apples than pears did she buy

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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.