Which of the following quadratic expressions is factorable over the integers? Select all that apply. A. 4x^2 - 49 B. x^2 - 6x + 36
C. x^2 - 10x + 25
D. 4x^2 + 12x + 9
E. 16x^2 + 36x + 81​

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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