What is the value of 9³. A. 900. B. 810. C. 729 D. 81

Can someone me with my hwplz(only the circled ones)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

(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