Adog's heart beats 431 times in 2 minutes. about how many times does a dog's heart beat in 1 minute?

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

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

The measure of an angle is 117°. what is the measure of a supplementary angle?