Approximate the following numbers to the nearest whole number

Which transformations could have occurred to map △abc to △a"b"c"? a rotation and a reflection a translation and a dilation a reflection and a dilation a dilation and a rotation

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

What is the radical expression that is equivalent to the expression 27 1 over 5?