In the circle below tangent PA and secant PBC have been drawn. if PB=4 and BC=12 then which of the following is the length of tangent PA?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36