8=3(3x+8)-x
8=9x+24-x
-16=8x
x= -2
Answer:
the initial value is 15 and it represents the y-intersect in the context of this problem
Step-by-step explanation:
Answer:
y = -1
x = 1
Step-by-step explanation:
as I have done the equation in the picture, I decided to re-write the second equation so that it's easier for me to use.
Answer:
50
Step-by-step explanation:

__
We make use of the special form for the difference of squares:
(a+b)(a-b) = a²-b²
Answer:
a triangle with an angle of 90°
a triangle with an angle of 55°
a triangle with an angle of 35°
Step-by-step explanation:
Every triangles angles add up to 180°. Add the choices up:

Each of the answers is an angle measure of the triangle.