Answer:
1. Simplify each side of the equation by removing parentheses and combining like terms.
2. Use addition or subtraction to isolate the variable term on one side of the equation.
3. Use multiplication or division to solve for the variable.
Every difference of squares problem can be factored as follows: a2 – b2 = (a + b)(a – b) or (a – b)(a + b). So, all you need to do to factor these types of problems is to determine what numbers squares will produce the desired results.
Scalene Triangle, Isosceles Triangle, Equilateral Triangle, Obtuse Triangle
Answer:
25%
Step-by-step explanation:
less than 30 is from minimum to lower quartile. so, 25%
Answer:
3199
Step-by-step explanation:
3387 – 45 – 46 – 48 – 49 = 3199