What’s the answer for x?

What is the total surface area of this square pyramid?

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.)

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1