Alength is measured as 21 cm correct to 2 significant figures.
a) what is the lower bound for the length?
b) what is the upper bound for the length?

Which math sentence can be used to determine if the triangle is a right triangle?

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.

Which strategy is used by public health to reduce the incidence of food poisoning?