Find the -intercept(s) and the coordinates of the vertex for the parabola of x^2 +8x +12

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get