How do u solve this im not sure

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x