Two teachers went to a store to buy boxes of composition notebooks.
o
The first customer paid $76 for 3 small boxes of
composition notebooks and 2 large boxes of
composition notebooks.
o
The second customer paid $108 for 4 small boxes
of composition notebooks and 3 large boxes of
composition notebooks.
What is the cost of a large box?
Answer

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

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