7. Emma is varnishing the floor of a circular room with diameter 8m. One tin of varnish will cover an area of 3m?. How many tins of varnish will she need to buy to varnish the floor of the room

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 are the sotions to the quadratic equation 9x^2=4

What is the slope of the line that contains the points (-2,1) and (0,-3)