Which expressions are equivalent to 2r + (t + r)?
.
select all that apply:

2rt+4r
r+t
none of the above

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.