What is the missing reason in the two-column proof?

Combine like terms7y^2 + 7(6y^2 − 8)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?