Steve reaches into a bag with 5 red marbles, 3 yellow marbles, and 2 green marbles, and randomly selects one. He DOES NOT REPLACE the marble back, and Sam reaches into the same bag and randomly selects a marble. What is the probability that both guys selected a yellow marble?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Solve 13 + w/7= -18 (w/7 is a fraction)