Tatiana walked part of the 10-mile distance at 2 miles per hour and rode her bicycle the rest of the way at 12 miles per hour. If the whole trip took 1 hour, how much time did
she spend walking?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity