Did you know that if your classmates st fu the world would be better :)

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis