Abag contains 4 red marbles and 1 yellow marble. what is the probability of drawing a red marble, then replacing that marble, then drawing a red marble again on the second pick?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Given right triangle a w/a hypotenuse length of x+4 and a leg of x, and right triangle b, w/ a hypotense length of 3y and a leg length of y+4 for what values of x and y are the triangles congruent by hl?

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?