9+ 5x + 1 = 1/2 (2x + 10) + x
show work.

X+ y = 5 ; x - y =3 solve using linear combination

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%

Adeposit of 5500 at 6% for 3 years equals