What is 50% of 174.95?Thanks.

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?