Maria exercises for 2 1/7 hours every saturday. she runs for 1/3 of the time that she exercises. how much time does she spend running every saturday?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1