Customers at an ice-cream shop took a survey. the results showed that 144 customers rates the shop as being "very satisfactory." this number represented 45% of the total number of customers who took the survey. what was the total number of customers who took the survey ? explaination plz

What is the volume of the sphere shown below with a radius of 3?

Use the distance formula to find the distance between (-3,5) and (3,1)

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?