Tìm cực trị của hàm z = x^2 +y^2 -xy + x - zy

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

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.

Do you mind if you guys me with this question i’m on number 8