Answer:
67.5
Step-by-step explanation:
If your triangle's base is 15, and your height is 9, then the area is 67.5
Answer:
C=−Ax−By
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
(0,-3)
Step-by-step explanation:
sold by graphing
Answer:
Solving the equation
using quadratic formula we get: 
Step-by-step explanation:
We need to solve the equation
using quadratic formula.
The quadratic formula is: 
For the given equation: 
We can write it as: 
We have a = 3, b= -2 and c=9
Putting values in quadratic formula and finding value of r

So, solving the equation
using quadratic formula we get: 
I guess you have to count them?