Glencoe MATH Course 1 (Volume 2) page 505,641 and 622 pls help this is due today lol WILL GIVE 33 POINTS PLS MORE IN FREE POINTS ASSESMENTS

How many grams must be adde to 970g to make 1 and a half kg

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

He concluded that a heavier object dropped from the same height as a lighter object will land