Line a and b are perpendicular
Answer:
look at explanation
Step-by-step explanation:
1) 3d - 8
2) g - 2 = 14
3) 7 + z
4) 6 + s = 2/5x
5) 10 - x
6) 5a - 3
7) 9 + s
8) h - 9
hope this helps! :)) xoxo raina *
Answer:
10
Step-by-step explanation:
(6x-5)+(12x+5)=180
18x=180
x=10
You need to do 60 times 8.4 to get how many minutes. And 60 times 8.4 is 504
The first one ,to substitute 3xy from -16 ...so divided both side by 3 .so, (xy =-5.33). the second one,5xy =-20. so,divided both sides by 5 so xy = -4....