A circular arc of length 15 feet subtends a central angle of 30 degrees. Find the radius of the circle in feet.

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.