If you got 15 percent off a purchase and the cost is now$2040 what was the original cost

The equation y=mx+b is the slope-intercept form of the equation of a line. what is the equation solved for b? y-m=b y-mx=b y/mx=b y/m-x=b

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

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?