If 10% of a population of parts is defective, what is the probability of randomly selecting 80 parts and
finding that 12 or more parts are defective?

Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

In a column proof the right column states your reasons