Which expression is equivalent to the given expression? – 2x2 + 8x 9 + 4r + 7x2 + 2
-
A.
-512 + 40 + 11
B.
-932 – 12x + 11
O O O O
OC. –9x2 + 4x – 7
D. 5x2 + 12x – 7

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.