Answer:
a²+b²=126
Step-by-step explanation:
(a+b)²=a²+b²+2ab
(12)²=a²+b²+2×9
144=a²+b²+18
a²+b²=144-18=126
12x + 20 = 4(3x + 5)
gcf = 4
Could you get a better photo? it’s unclear
Answer:
the equation is
Step-by-step explanation:
x + 3=3x4
1/2 = 0.50
(0.85 - 0.50) / 2 = 0.35/2 = 0.175
0.50 + 0.175 = 0.675 or 27/40 <==
0.85 - 0.175 = 0.675 or 27/40 <==
** first, u take the difference of the numbers and divide it by 2....then u add that to 0.50 and subtract that from 0.85 and that is ur middle number