Joe's math scores are 88, 70, 100, and 94. What is the lowest score he can
get on the next test to average a 90?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Reflect the point (7,0) across the y-axis

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%