Amanager bought lunch for his coworkers. each person pick either a salad or a burger. the salads cost $7 each in the burgers cost $3 each. if the manager spent $47 and bought one for nine people how many of each item did he buy?

3. find the radius of circle p.4. find y.

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

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 : )