Answer: 45
Step-by-step explanation: 21 x 3 = 63, because 3x3 is 9. 9 tickets with a $2 discount would mean you take off $18, so I believe the answer would be 63-18=45.
Answer:
900m or 300m
Step-by-step explanation:
45 x 20 = 900
30 x 10 = 300
Answer: 10 bags that weigh 2 lb.
5 bags that weigh 4 lb.
2.5 bags that weigh 8 lb.
Hope this helps.
Step-by-step explanation:
It's B - 1/√3
because tan is opposite side over adjacent