Answer:
1: x + 5=12 ->
x=7
2: 7x = 21 -> x=3
3: b - 2/3 = 5/6 ->
x=3/2
4: 1/5m = 20 -> 100
5: 45 = 3(x + 1) -> x = 14
6: 22.5 = 1.5x -> x = 15
Step-by-step explanation:
Answer:
97.5
Step-by-step explanation:
Supplementary means the angles add up to 180°
So,
m∠A = 180 - m∠B
m∠A = 180 - 82.5
m∠A = 97.5
I believe 25 students are in the class. Hope this helps
Answer:
1776
Step-by-step explanation:
since i helped can i have brainlist please :D