What is 6 tons to 18 tons as a ratio?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

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.