During an outing, Katherine picked 20 more apples than Noah, and Ryan picked 60 more than Noah. Altogether, the three of them picked 239 apples. How many apples did Ryan pick?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

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

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)