The weight, in pounds, of 8 different pumpkins are 15, 29.5, 10, 25, 34.5, 20, 30 and 42. what is the mean weight of pumpkins, somebody .

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.