The cost of company 1: 10x+50
The cost of company 2: 8x+60
The cost will be the same at:

The answer is 5 hours
Answer:
K=15
Step-by-step explanation:
The answer is 17040.34
Check the annuity due formula
1, 3, 9 and -1, -3, and -9 i guess
hope this helps
Answer:
=12y+18
Step-by-step explanation:
=(3)(6+4y)
=(3)(6)+(3)(4y)
=18+12y
=12y+18