I'm pretty sure #8 is B and #9 is A. hope this helps, have an amazing day :)<span />
Answer:
Answer. The two lines shown below are perpendicular. If the slope of the red line is , what is the slope of the green line? Slope of the green line = -1/slope of the red line.
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
32-25 = 7
32+7 =39
46+7 =53
25-7 =18
PLZ MARK AS BRAINLIEST
<span><span>4a+6b=10
4a=10-6b
a=(10-6b)/4
a=(5-3b)/2
</span>
<span>2a-4b=12
2((5-3b)/2)-4b=12
(5-3b)-4b=12
5-7b=12
-7b=7
b=-1
</span>
<span>2a-4b=12
2a-4(-1)=12
2a+4=12
2a=8
a=4
a=4, b=-1 </span>
12a=48</span>