I hope this helps you
1)
a=360/30
a=12
2) parallelogram
3)
3x+10+x+148+117+90=450
4x=85
x=21.25
4)
a=360/30
a=12
180-12=168 exterior angle
Answer:
3x + 3y
Step-by-step explanation:
The two minus signs make a plus sign. Therefore, we replace the minus signs with a plus sign, getting 3x + 3y.
Answer:
If N is 38, next even number would be 40
Step-by-step explanation:
Any number ending with 0 2 4 6 8 is even, sorry if this ins't what you were asking I didn't understand completely
I would try Khan Academy. He does very good explainations
