Aset of equations is given below:

equation c: y = 3x + 7
equation d: y = 3x + 2

how many solutions are there to the given set of equations?

a.) one solution
b.) two solutions
c.) infinitely many solutions
d.) no solution

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

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.

Which statements are true about additional information for proving that the triangles are congruent check all that apply