The science club went on a two-day field trip. the first day the members paid $60 for transportation plus $12 per ticket to the planetarium. the second day they paid $95 for transportation plus $9 per ticket to the geology museum. write an expression to represent the total cost in dollars for two days for the n members of the club.

For what values of x is x2 + 2x = 24 true?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?