Mark and jose have a combined weight of 270 pounds. mark weighs 30 pounds less than twice jose's weight. how much do mark and jose weigh

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

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%