Use the quadratic formula to determine the roots of the equation y= 2x^2 + 2x -7

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )