Four times december’s profit less 45 greater than or equal to january’s Profit of 172$ 4d — 45 > 172 ? A
4d — 45 < 172 ? B
172< 4+ d — 45 ? C
172 < 4 + d — 45 D

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Which of the following is an example of conditional probability