I need help with this question, can anyone help me?: There are 17 animals on a farm. Some are llamas and some are ducks. There are 54 legs in all. Write and solve a system of equations to determine how many of each animal are on the farm.

Which of the following contains a variable?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

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