How do you put this problem in a fraction . A roll of 40 quarters weighs 8 ounces. Which proportion can be used to find the weight in ounces. w. of quarters

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).

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = (x+4)(x+3)

Atown has a population of 7000 and grows at 3% every year. to the nearest year, how long will it be until the population will reach 12400?