Laura has moved to a new apartment. Her schoolbooks comprising of different subjects are mixed in a bag during the move. Four books are of mathematics, three are English, and six are science. If Laura opens the bag and selects 3 books at random, find the probability of her selecting 1 science book and 2 mathematics books.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Hurry which expression is equivalent to 3√x^5y?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth