Growth and decay. is y=432(1.54) growth or decay? and what would the percent increase or decrease be?

Me find the missing dimension of a triangle height: 7 in., area: 21^2

What is the value of x in the diagram below?

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%