What is 345 divied by 8 estimate

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

If you could answer these your a life saver

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