Christopher bought 2 lb 1 oz of assorted cheeses for a party, at an average cost of $5.79/1b. If
20% of the cheese was knocked onto the floor
during the party and not eaten, what was his true
cost per pound?

Solve the system of equations. y= 2x y= x^2 - 15

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?