Answer:
25
Step-by-step explanation:
x = the number
2x - 7 = 43
+7 +7
-----------------
2x = 50
------------
2 2
<u>x = 25</u>
3x^2 = 147
divide both sides by 3
x^2 = 49
x^2 -49 = 0
(x-7)(x+7) =0
so,, x = 7 , -7
the answer is B
9/10 = 0.9
3/5 = 0.6
Hope this helps.
