Answer:
3(x + 4) = 3(x) + 3(4)
3(x + 4) = 3x + 12
3x + 12 = 3x + 12
Subtract 12 from both sides
3x + 12 - 12 = 3x + 12 - 12
3x = 3x
3x - 3x = 3x - 3x
= 0
Answer:

Step-by-step explanation:


















Hence, the correct answer is 
Answer:
Area of triangle= 1/2 x base x height
Area of triangle




Therefore the area of the triangle is 45.5inch
7 and 20 are relatively prime (no common factor)
The correct answer is 39 units.Parameter is the
sum of the lengths of all sides of a polygon.
The sides of the polygon are PT, TS, SR, RQ,
and QP.