A student has some $1 and $5 in his wallet he has a total of 18 bills that are worth $58 how many of each type of belt does he have

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%

Someone me what is the area of this figure? 18m 18m 8m 16m

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.