Answer:
139.48
Step-by-step explanation:
cos(55)=80/x
80/cos(55)=x
Answer:
35
Step-by-step explanation:

Step-by-step explanation:
the speed of the first ship is 20 mph
and the second ship is 15 mph
Fisrt let us define the variableslet y be the total cost melinda paysx be the number of games she playedb be the cost of shoe rentalm is the cost of one game
y = mx + b
y = 4(3) + by = 12 + b
Answer: Approximately 79 Percent
Step-by-step explanation:
The confidence level used in this estimation is approximately 79 percent.