X: 4 units of a and 5 units of b per hour y: 3 units of a and 10 units of b per hour cost to run machine x: $22/hr cost to run machine y: $25/hr x=number of hours machine x runs y=number of hours machine y runs the objective function is c = x + y.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

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