Solve. 9. An airport is located at the point (1, -1). The noise
of planes landing and taking off can be heard up to
3 miles away. Use the equation of a circle to find the
locations that are affected. Assume each unit of the
coordinate plane represents 1 mile.

What two criteria are needed for triangles to be similar

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.