Answer:
D. 1,044 is the total amount of money Mrs. Smith collected
Answer:
∠z is 79°
Step-by-step explanation:
You just need to plug those expressions inside the formula: it doesn't matter if they're expressions involving a variable instead of plain numbers: the formula becomes

If you want, you can simplify it by expanding the square and then multiply the two parenthesis:

Answer:
I think that it is B because its the only answer that makes sense
Step-by-step explanation:
Answer:
it would A)y =-3x
Step-by-step explanation: