Four friends plotted the locations of their houses on a coordinate plane. Sarah’s house is located at (7, 2).
Mandy’s house is located at (3, 5).
Cameron’s house is exactly halfway between Sarah’s house and Mandy’s house.
Kayla’s house is exactly halfway between Cameron’s house and Mandy’s house.

What are the coordinates of Kayla’s house? A. (2,−72) B. (4,3.25) C. (5,32) D. (6,−14)

4+6x-3x^3 in standard form with explanations because i don’t understand

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

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?