!!! Solve for x: −4x − 4 = −4(x + 2)

A. 0
B. −4
C. All real numbers
D. No solution

Can somebody me out with this question

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy