Lana is putting lace trim around the border of a circular tablecloth. The tablecloth has a radius of 1.2m. What is the total amount of lace Lana will need? Use
3.14 for a
C = ad or C = 27r

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?