Answer:
Bella can complete work alone in 120 minutes
Step-by-step explanation:
Ana and Bella together can complete the shoveling in 30 minutes.
They can do a part of work in 1 minute = 
Ana can do work alone in 40 minutes
She can do part of work in 1 minute = 
So, Bella can do a part of work in 1 minute = 
= 
Bella can do
part of work in 1 minute
Bella can do whole work in minutes = 120
Hence Bella can complete work alone in 120 minutes
Answer: T=16 ± 0.12 ° CA Aw
Step-by-step explanation:
Answer:
576
Step-by-step explanation:
That's your answer.
Answer:
Obtuse Triangle
Step-by-step explanation:
When there is an angle with a measurement greater than 90 degrees, the triangle is an obtuse triangle.