3x(4x - 15) < Given
12x^2 - 45x < Distributive law of property
By the way, you are simplifying not solving. You solve equations and simplify expressions.
Answer:

Step-by-step explanation:
To evaluate
from the following expression:

Taking 


∴ 
Answer:
It is not a right triangle. It is an obtuse triangle.
Step-by-step explanation:
Answer: 1 = 4.20, 2 = 8.40 3 = 12.60 4 = 16.80
This is a direct variation.
Step-by-step explanation: