Edward has two rectangular gardens, one measures 230 centimeters by 125 centimeters and the other measures are 110 centimeters by 50 centimeters. If Edward wants to put up a fence around both, how much fencing does he need to by?

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

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.

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?