Im sorry cant answer right now
answer :
<em>16</em>
explanation :
<em>9 - (x - (7 + x))</em>
<em>9 - (x - 7 - x)</em>
<em>9 - (-7)</em>
<em>9 + 7</em>
<em>= 16</em>
Answer: A.) b= 2a/h-c
1/2h(b+c)= A
2×1/2h(b+c)=A×2
h(b+c)=2A
h÷h(b+c)=2A÷h
b+c=2A/h
b+c-c=2A/h-c
b=2A/h-c
I hope this is good enough:
3 because 4×3=12 and if you divide12÷3/4 it helps you check
A(n) = D. value of the nth term
a = C. value of the first term
n = A. number of the nth term
d = common difference
