A bag contains 15 white balls and 10 black balls, another contains 20 white balls and 15 white balls. if two balls are drawn without replacement from each bag, find the probability that a)all four are black
b)exactly one of the four are white ​

Which of these triangle pairs can be mapped to each other using two reflections?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Which is f(5) for the function –2x2 + 2x - 3?