1) 3x - y - 4
x + 2y = 6
Solve the system of equations.
Α)
(-2,-2)
B)
(2,-2)
o
(2.5.175)
D)
(2.2)

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

What is another way to write the equation 2/3(x+6)=-18?

Can someone answer and tell me how to do this (will mark brainliest)