If a circle's circunferencia is 15 inches, what is its radius? leave the symbol π un tour answer

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?

Simplify the algebraic expression 8y-2(y+4)