Construct the confidence interval for the population mean u. C=0.95, X=16.7, 0=3.0 and N=90

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth