Segments uv and wz are parallel with line st intersecting both at points q and r respectively

according to the alternating interior angles theorem, which angle is congruent to angle uqr?

∠qrz
∠wrt
∠vqr
∠trz

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?