3 attempts remaining. 150 moths lived in a lab. Each week, some moths died, and about survived. How many moths were still alive after 2 weeks?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|