Write 9x+3x2-4x5+x3+2x4 in standard form.

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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.

What is r i 4.5+10r=-6.5 with work pls