Answer:
I believe the answer is C. 90 degrees
Step-by-step explanation:
First you find the lengths of the two vectors, which are both  . Then you find the angle given the cos using:   cos(∅)=
. Then you find the angle given the cos using:   cos(∅)= =
 =  = 0. Then using ∅=acos(0)=
 = 0. Then using ∅=acos(0)= = 90°
 = 90°
 
        
                    
             
        
        
        
Answer:
12.5 hours
Step-by-step explanation:
budget: 200
fix cost: 50
hourly rate: 12
hours: ?
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First we deduct the fix 50 dollars cost from the total budget. 
Then we divide the remaining amount with the hourly rate 
( 200 - 50 ) / 12 = ? 
? = 12.5 hours
 
        
             
        
        
        
The answer is 106 your welcome :-)
        
                    
             
        
        
        
Since Juanuary has 31 days we will also count the 31st day.Lets count the days Kevin waters his ivy.He will water it every 3 days so let’s count by threes.
2 5 8 11 14 17 20 23 26 29
That is all theaters you.Can have in February if you count by 3s.
He will water his cactus every 5th day.Just like before let’s count but this time by 5s.
4 9 14 19 24 29
There are two dates Kevin will water both plants but you said to do the first one so the date will be 14.
Your Answer is the 14th