Answer:
$16 per hour
Step-by-step explanation:
He earns $16 per hour as shown in the figure
 
        
             
        
        
        
Answer:
the answer to #9 is (½, 1½)
Step-by-step explanation:
to find the midpoint, you need to use the midpoint formula 
the midpoint formula is (x₁ + x₂ / 2 , y₁ + y₂ / 2)
for #9 you have to plug in the appropriate numbers in the formula 
(-4 + 5 / 2 , 4 - 1 / 2)
(½ , 1½)
 
        
             
        
        
        
Answer:
$19.09
Step-by-step explanation:
We just have to substitute t(minutes) for 173
0.08(173) + 5.25
13.84 + 5.25 = 19.09
His monthly bill would be $19.09
Nineteen dollars and 9 cents