In AQRS, the measure of _S=90°, SR = 80, QS = 39, and RQ = 89. What ratio represents the secant of ZR?

Somone me i want to know what 18 hours out of 24 hours in a fraction

43lbs of tomatos cost $387. how much would 41lbs cost

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)?