The sine of 72 degrees is 0.95. what's the cosine of 18 degrees?

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

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

What does independent variable and dependent variable mean in math?