Given cotA= 3/7
and that angle AA is in Quadrant I, find the exact value of cosA in simplest radical form using a rational denominator.

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

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2