Asnack bar sells two sizes of snack packs. a large snack pack is $5, and a small snack pack is $3. in one day, the snack bar sold 60 snack packs for a total of $220. how many small snack packs did the snack bar sell?

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Which of the following circles have their centers in the third quadrant? check all that apply.