XYZ is dilated so that the length of side Y'Z' is 3 units. What is the scale factor? A) 1/3
B) 1/2
C) 2
D) 3​

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

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

I’m really confused and need your assist me with this question i’ve never been taught