Answer:
(A.
Explanation:
In A, line AD straight into BC, thus creating two 90 degree angles. This means that they are perpendicular.
(: Hope this helps
Point slope form: y-3=-3/5(x+2)
Slope intercept form: y=-3/5x+9/5
K (-3,-3)
L (1,-1)
M (-1,-5)
N (-5,-7)
Answer:
Option B. 
Step-by-step explanation:
we know that
The frequency is equal to the number of cycles divided by the time
Remember that
1 cycle = 1 full wave to repeat itself
In this problem
From o to 12 seconds ------> there are 2 cycles
therefore
The frequency is equal to
