If 3x
(a) −3x (b) 3x (c) 0 (d) −(3x+y) (e) −y

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

Solve 3x-18=2y and 5x-6y=6 by elimination show work

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%