Step-by-step explanation:
Answer:
1.8-9
2. most often
3.12-13
4.12-13
Step-by-step explanation:
i got it correct thats all i got to say
Answer:
x=2
Step-by-step explanation: 2 squared = 4, 4*2 = 8, 8+-8=0
Answer:
7
Step-by-step explanation:
9x+18=2x+19 (corresponding angle)
or, 9x-2x=19-18
or, 7x=1
or, x= 7