Explain using your own words and 2-3 sentences the differences between substitution and elimination. You may want to consider when one method is better than the other. Be sure to explain how each method works in general.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 – 3x – 20x + 4. her work is shown below. (15x2 – 3x) + (–20x + 4) 3x(5x – 1) + 4(–5x + 1) talia noticed that she does not have a common factor. what should she do?