Four hot air balloons each descend 295 feet per minute for 7 minutes. find the total change in altitude for all 4 balloons.
the total change in altitude for all 4 balloons is
nothing feet.

Abaker has 5 1/4 pies in her shop. she cut the pies in pieces that are each 1/8 of a whole pie. how many pieces of pie does she have?

In the diagram, gef and hef are congruent. what is the value of x

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95