Answer:
=8×+9
=(x+3)×(x-7)
Step-by-step explanation:
i think I'm correct
Answer: I’m not sure. But I think it’s a=-2/2
Step-by-step explanation:
Answer:
<h3>t + 50 = 130</h3><h3>t + 50 _ 50 = 130-50</h3><h3><u>t</u><u> </u><u>=</u><u> </u><u>8</u><u>0</u></h3>
<h3>:. <u>t</u><u> </u><u>is</u><u> </u><u>8</u><u>0</u></h3>
Step-by-step explanation:
<h3>I hope it helps ❤❤</h3>
Answer:
A
Step-by-step explanation:
A because the mean absolute deviation of an eighth grade class is less than that of a seventh grade class. Also, the class size is larger on average for eighth graders (35>31).
Use substitution
3x = -x - 4
Add x to both sides
4x = -4, x = -1
Y = 3(-1), y = -3
Solution: x = -1, y = -3