Value of the house has increased. mr. porter writes the equation below to express the current value of his house. d + 0.21d = 1.21d mr. porter claims that the value of his house has increased by 121%, since 1.21 is equal to 121%. decide if mr. porter is correct. if he is correct, enter 121 below. if he is not correct, enter the correct percent increase.

Sum of the interior angles of a pentagon

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

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?