Substitute -1 for x. 3(-1)-1=-4.
(B)
Answer:

Step-by-step explanation:
Let
l------> the length of the base of the prism
w------> the width of the base of the prism
h------> the height of the prism
we know that
The volume of the prism is equal to

Solve for w
That means-------> isolate the variable w
so
Divide both sides by (lh)

Simplify

Answer:
that is based on luck u could get 5 everytime or none, depends on what roll
ANSWER
On photo
EXPLANATION
Use the quadratic formula since the equation doesn't factorize not simplify by 3
The value of x is
-4x + 8 = 42
-4x = 42 -8
-4x = 34
x = -8,5