a random sample of 30 students were asked to pick their favorite school subject, and 12 of them answered math. There are 480 students in the school. How many students in the school are likely to pick math as their favorite subject?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

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.

How are algebraic expressions evaluated using substitution?