(x^2+5)=7 and (x^2+5)k=21, what is the value of k?

Which statement describes surface features called maria on the moon

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)