Your gym membership costs $30 to join and $25 per month. which equation gives the total cost, y, for a membership that lasts x months?

Pls super important solve the botton one

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?

Which expression is rational? 6. , square root two, square root 14, square root 49