Solve the system of equations by graphing 4x-5y=20

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9