Answer:
She started with 200 stamps
Step-by-step explanation:
You found $5, so it's positive. You don't put anything in the negative, because you aren't losing anything.
Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Answer:
x=12
Step-by-step explanation:
(X-8)/7=2
X-8=14
X=22