N=4
Remove the parentheses, move the terms, collect like terms,calculate, divide both sides
Answer:
C
Step-by-step explanation:
I think it is C. Sorry if I'm wrong.
There will be 2 groups, and each group have 6girls and 9 boys.
12 ÷ 2 = 6
18 ÷ 2 = 9
When will they blink together?
what is the smallest number they both mutiply to
3*5=15
so every 15 seconds
so at 15, 30, 45, 60 seconds
so 4 times if you count the time exactly at 1 minute
Given a slope , the slope of a line perpendicular to is the opposite of the inverse of
In other words:
So, the slope of CD is -5/2.