Step-by-step explanation:
use the midpoint formula
-3+-7/2, 8+-6/2
(-5, 1)
By using the base change formula, which states

The given equation is 
By substituting the values of log 5 and log 3.

= 1.46
Answer6x3-33x2+45x-6
Step-by-step explanation:
The answers are m=2 and b=1
You will use 9 gallons of water on 30 plants because 6 gallons on 20 plants=3 gallons on 10 plants = so you add 3 gallons for 10 plats