Answer:
123°
Step-by-step explanation:
Supplementary angles add up to be 180 degrees.
This means angles A and B will add up to be 180 degrees.
We can find the measure of angle B by subtracting 57 from 180
180 - 57
= 123
So, the measure of angle B is 123 degrees
Answer:
Step-by-step explanation:
Delete you question he is trying to get points from you dont use brainly anymore
add me and ill give you 50
Do you know what the answer choices are?
Answer:
%65
Step-by-step explanation:
Answer:
Slope is .18
Step-by-step explanation
Find two points along the line.
Calculate slope using 
.
I used the points (1985, .21) and (1990, .30).
