Pablo wants to build a rectangular pen for the pig he is raising in his agricultural class. Pablo only has 36 feet of fencing

Which graph corresponds to the function f(x) = x2 + 4x – 1?

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.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?