To start off, Chang has already saved $45. $125 - $45 = $80. Therefore, he owes $80. $80 ÷ 7 = 11.4285714286, so he needs to work 12 full hours to pay for his trip.
GMC Answer : 3 because of there
Answer:

Step-by-step explanation:





Answer:
10 m
Step-by-step explanation:
opposite = sin30° × 20 =
× 20 = 10 m