In the diagram below, line t intersects parallel lines r and s.
r
4
3
5
6
8
7
If the measure of Z3 = 68°, what is the measure
of Z8?
degrees

Can you draw an isosceles triangle with only one 80 degree angle?

What is the square root of 45? (step by step working plz)

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?