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

What are the values of each variable in the diagram below?

If the value of cos330°is√3/2 then find cos 165°.

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.