Answer:
The answers are that a = -5 and b = 1
Step-by-step explanation:
In order to find A and B, we first need to find the equation of the line. We can do this by using two ordered pairs and the slope formula. For the purpose of this activity, I'l use (0, 5) and (-3, 11)
m(slope) = (y2 - y1)/(x2 - x1)
m = (11 - 5)/(-3 - 0)
m = 6/-3
m = -2
Now that we have this we can model this using point-slope form. 
y - y1 = m(x - x1)
y - 5 = -2(x - 0)
y - 5 = -2x 
y = -2x + 5
Now that we have the modeled equation we can use the ordered pair (a, 15) to solve for a. 
y = -2x + 5
15 = -2(a) + 5
10 = -2a
-5 = a
And we can also solve for b using the ordered pair (2, b)
y = -2x + 5
b = -2(2) + 5
b = -4 + 5
b = 1
 
        
             
        
        
        
PART A
Coefficient
Coefficient h is 7.50
Coefficient s is 0.20
Variable
h and s
Constant
40
PART B
7.50h + 0.20s + 40
= 7.50(25) + 0.20(300) + 40
= 187.5 + 60 + 40
= 287.5
She earns $287.5
PART C
Yes, the coefficient of h would change to 9, the rests are still the same. Because she's no longer receive 7.50 per hour, and start earning 9 per hour, so the coefficient should change.
The expression would be
9h + 0.20s + 40
        
             
        
        
        
Answer:

Step-by-step explanation:
Two points are (0, 65) and (10, 55)
Calculate slope <em>m</em>


Use slope-intercept form


<em>b</em>  is the y-intercept, y-intercept is (0,65)

 
        
             
        
        
        
Answer:
56.52mm
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1 solution
Step-by-step explanation: