13, y = x - & x + 19 in vertex form

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.

It says factor each expression 49x-28?

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol