Use the substitution method to solve the system of equations. choose the correct ordered pair. y=4x-2y=x+13a.(4,-2)b.(1,13)c.(5,18 )d.(0,-2)

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

What are the solutions to the equation 4x2+3x=24-x

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?