1) Last week Cody ran 3 miles more than
Lea. Cody ran 20 miles. How many miles
did Lea run?

Which equation matches the graph shown ?

What is the y-intercept of the line given by the equation

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%