Answer:

Step-by-step explanation:
Q17

For Q18 and Q19.
If ΔABC ≅ ΔSRT (congruent), then

Q20

Answer:
Step-by-Step explanation:
Answer:
a - h^2 + h - 2
Step-by-step explanation:
To find the expression with factor h + 2, I solved it the usual way I would
Answer:
$54
Step-by-step explanation:
Convert 20% into decimal which is .20
$45x.20= $9
so 9 dollars was the tip. So you add the bill to the tip
$45+$9=$54