Answer:
A. m∠2 + m∠3
Step-by-step explanation:
The <em><u>exterior angle theorem</u></em> states that the exterior angle formed when you extend the side of a triangle is equal to the sum of its non-adjacent angles. 
So m∠4's non-adjacent angles are 2 and 3 NOT 1. Therefore, the measure of ∠4 = m∠2 + m∠3.
Hope this helps!
 
        
                    
             
        
        
        
Answer:
Only one solution
Step-by-step explanation:
Given that there is a coordinate plane (say xy)
Two lines are given.
One line crosses the y axis at 3 and has a slope of negative 1. 
hence equation of I line is y = -x+3
The other line crosses the y axis at 3 and has a slope of two thirds.
So equation is y = 2x/3 +3
Since the two lines lie in the same plane and are having different slopes, they intersect at one point.
Eliminate y to get
-x+3=2x/3+3
Or x=0
y=3
Hence solutionis (0,3) for the system.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
The first step to solving this problem is verifying if this sequence is an arithmetic sequence or a geometric sequence.
This sequence is arithmetic if:

We have that:




This is not an arithmetic sequence.
This sequence is geometric if:




This is a geometric sequence, in which:
The first term is 40, so 
The common ratio is  , so
, so  .
.
We have that:

The 10th term is  . So:
. So:



Simplifying by 4, we have:

 
        
             
        
        
        
Identity property of multiplication
        
             
        
        
        
4.8 pounds, set it up as 4 over ten times x over 12, 4 times 12 divided by ten equals 4.8