Does the infinite geometric series S = 25+20+16+… Converge or diverge?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

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%

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2