Which equation can be used to find the total cost in dollars on any item in Virginia

In the diagram of circle o, what is the measure of zabc?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.