100 points answer fast
which ordered pair is the solution to the system of equations?

{x−4y=6
3x+y=−8

a.(−2, −2)

b. (2, −1)

c. (1, −9)

d. (−6, −3)

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Determine which postulate or theorem can be used to prove that lmn =nmo

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =