At a street fair, a vendor keeps her stall open 9 hours per day. she also spends a total of 4 hours over the course of the fair setting up.
let d represent the number of days of the fair and h represent the total hours spent at the fair.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.