Given m∠2=130°, what is m∠9?

What are the sotions to the quadratic equation 9x^2=4

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places