Answer:
The fourth number is 13
Step-by-step explanation:
7+9+11+13 = 40 it's the only one that works
(x+3)(x-3)(2x+1)
————————
(x+7)x
820 • 156% = 1279.2 jdjsjsijdcbidjejdb
Answer:
x=10
Step-by-step explanation:
1/2x-2+3
+2 +2
1/2x=5
---- ---
1/2 1/2
x=10