Abackpacker started his day at an elevation of x feet above sea level. after a day of hiking, the backpacker was at sea level. which equation models this situation? (asap, .) a. x + 0 = 0 b. x + x = 0 c. 0 - x = x d. x + (-x) = 0

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250