Simplify the polynomial: 2a–3b+c–(4a+7b+c+3)
15 points

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180