√0.64x² if x≤0 its a simplification problem and the root covers the entire expression

How far is x from 5 on a number line?

Consider the function f(x)=-5x+3 what is f(-2)

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.