Answer:
1800 seconds.
Step-by-step explanation:
30 × 60 = 1800
This basically means 3 × h, so the answer is 3h when simplified.
Answer:
D
Step-by-step explanation:
the rest of them have 2 Y for 1 X
Answer: First one: lies in the shaded region of the top inequality, but not in the shaded region of the bottom inequality.