Work out the area of the shaded shape. Need answer ASAP

1. are the triangles similar and if so why? what is the value of x? show your work.

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)