If 4 inches on a map equals 60 miles, how many miles would 3 inches be

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?