A student is experimenting with dilations of lines with scale factor 2 through the center of dilation (1, 4). The student claims that some lines will remain unchanged after the dilation.
Select each line that could be used to support the student's claim.
A. y = 4x
B. x+y=4
C. x + 4y = 8
D. y = 4x + 8
E. 4x + 4y = 20

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

What are the solutions of the equation? 6x^2 + 11x + 4 = 0 a. 4/3, 1/2 b. -4/3, -1/2 c. 4/3, -1/2 d. -4/3, 1/2

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?