Given: △XYZ is located on the coordinate plane ∠Y measures 54o

If the triangle is reflected across the y-axis to form △X'Y'Z', what is the measure of ∠Y' ?

3x + 4y = 5 x- 3y = -7 solve by substitution

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove