Dorothy is installing purple and
white tile in her kitchen. She made a diagram of the layout
showing the area of both colors. Write two expressions that
describe the area of the purple tile,

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Is the square root of 4 plus the square root of 16 rational?

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.