1. evaluate 7m+2n-8p over n for m = –4, n = 2, and p = 1.5.
2. a mountain climber ascends a mountain to its peak. the peak is 14,090 ft above sea level. the climber then descends 490 ft to meet a fellow climber. find the climber’s elevation above sea level after meeting the other climber.
3. evaluate x(–y + z) for x = 3, y = 3, and z = 1.
4. simplify the expression. 1.4 – 5.5 – 1.73 + 1.8 – 1.09

Twelve friends shared 8 small pizzas equally.how many pizzas did each person get?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0