adi used algebra tiles to represent the product .
(-2x-2)(2x-1)
which is true regarding adi’s use of algebra tiles?
a. she used the algebra tiles correctly.
b. she did not represent the two original factors correctly on the headers.
c. the signs on some of the products are incorrect.
d. some of the products do not show the correct powers of x.

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?