Simple division:
The amount/number of seconds=amount per second.
1000/10=100
Lightning strikes earth 100 times per second.
Answer:
Option B) (7x+4)(7x+4) is correct
The product result in a perfect square trinomial is

Step-by-step explanation:
( using
)
( using
)


Therefore 
which is a perfect square trinomial
A trinomial is a perfect square trinomial if it can be factored into a binomial multiplied to itself. In a perfect square trinomial, two terms will be perfect squares.
Option B) (7x+4)(7x+4) is correct
The product result in a perfect square trinomial is

Y+10= 2y+5
10=y+5
5=y
Plug this in
(5)+10=15 for KN
2x+6=3x-1
6=x-1
7=x
Plug this value in
2(7)+6
14+6= 20 for NM
Answer:
Step-by-step explanation:
The following is the logarithm quotient rule:

Plugging in the values we have above gives us the following:


