Answer:
-5cd
Step-by-step explanation:
-3cd-d(2c-4)-4d
Distribute the -d
-3cd-d2c-+d4-4d
-3cd -2cd +4d-4d
Combine like terms
-5cd
Give us info on the deck if you want an answer
Sin (90-x) = cos x
so x = 40
1 mile = 5,280 feet
5,280 + 900 = 6,180.
6,200 feet > 1 mile and 900 feet
Glad I could help, and good luck!
Step-by-step explanation:
i do believe the answer is 18
