Will give brainlist

what is the approximate area of the figure

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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%