Suppose that there were a strong correlation between the variables d and f. which of these is a true statement

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

How many zeros does the function f(x)=4x3-x2+1 have

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle