Why Did Billy Have Trouble Naming a 3-Sided Polygon?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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.)