The mean is μ = 60.0 and the standard deviation is σ = 4.0.
Find P(X < 53.0)

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

What statement is true? 2x^2-9x+2=-1

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?