Simplify the equation (2+√3 + 1/2+√3)²

How do you convert 1.27 to a percentage

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.)

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?