I think I just failed the challenge​

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Find the area of the unshaded square