At Betty's Beading Boutique, 80% of the 80 beads on clearance are made of plastic. How many plastic beads are on clearance?

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer