Answer:
Step-by-step explanation:
Convert mixed fraction to improper fraction.
÷
=
÷ 
Now use K C F method
K - Keep the first fraction
C - Change the division operation to multiplication
F- Flip the second number

Answer:
reciprocal means inverse:

Answer:
h= 4
Step-by-step explanation:
A= 1/2(b)(h)
10= 1/2(5)(h)
10= 2.5h
/2.5 /2.5
h= 4
That's a bit of a nasty. Where ever you see (x^2 + 6) you put in p.
p^2 - 21 = 4(x^2 + 6)
p^2 - 21 = 4p
p^2 - 4p - 21 = 0
A <<<< answer.