Aquality-control center finds that 2 out of 250 toy trains are defective. how many trains would they expect to be defective in a batch of 10,000?

a.
250

b.
125

c.
80

d.
40

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

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