Answer: I really don't know yet.
Step-by-step explanation:
Another day. 
Answer:
measure of angle 1=180-123=57°[exterior angle is supplementary]
Answer:
90
Step-by-step explanation:
50% of 180 = 90%
90% is the answer.
Answer:
Hope this helps! Brainliest please
Step-by-step explanation:
1. Divide both by 5, so the correct answer would be 5/9, and then multiply both by 3, so the correct answer would be 75/135. The answer is 5/9,75/135
2. 4 and 2/7 because 7 *4=28. That leaves 2 sevenths over.
3. Divide both by 9. Your answer is 3/4
Answer:
Step-by-step explanation:
let score in fourth test=x
88+98+79+x=80×4
265+x=320
x=320-265=55