smith has 300 math books. he visits an estate sale and purchases enough books to increase his collection by 30%. how many books does he have now?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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.

Indicate the formula for the following conditions: p^c(n,r)=