Find the radius of a circle that has an area of 803.84 cm squared

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?