Iwill donate 50 points solve this problem. find the point that: is on the line y=2x-5 the y coordinate is less than the x coordinate the sum of the coordinates is 8.5 winner gets branliest and i will donate 50 points

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).

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?