Alex is constructing a square in which two of its vertices are points x and y. He has already used his straightedge and compass to construct the lines and arcs shown. What should Alex do for his next step?

What is the equation of the graph below? y=sec(x)-4

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?

Given: df and de are midsegments of abc prove: de=1/2 ac