At Maxx Middle School, there are 30 times as many students as teachers. If there are 450 students, how many teachers are there? pls include the equation.

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Plz hurry evaluate the expression a+b where a=8 and b=19