How many kilograms of a drug substance are required to make 200 g of a 12% (w/w) formulation?

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

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

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.