Suppose that the same fitness club divided its members into four age groups and randomly selected 10 members from each age group to take the satisfaction survey. What type of sampling method was used?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5