Answer:
x=4
Step-by-step explanation:
-4+3x=8
+4 +4
<u>3x</u>=<u>12</u>
3x 3x
x=4
To find the mean or the avg you add up all the numbers you have and then divide by how many numbers you added together in this case 5


so the mean is 22, hope this helped you!
Answer:
4 and 2
Step-by-step explanation:
4x4+2x2
16+4=20
QS would be 42. So the way i did it was I:
8x-51=3x-6
x=9
Plugged into both equations of QR and RS to then get the answer of 42
Answer:
isosceles triangle
Step-by-step explanation:
An isosceles triangle is a triangle with (at least) two equal sides. In the figure above, the two equal sides have length and the remaining side has length. . This property is equivalent to two angles of the triangle being equal. An isosceles triangle therefore has both two equal sides and two equal angles.
Brainiest??? plz