Answer:
5x + 6
Step-by-step explanation:
4x - 3 + 2x + 1 - x + 8
= 4x + 2x - x -3 + 1 +8
= 5x + 6
Answer:
As a fraction it must be 1/3
Answer: 
Step-by-step explanation:
For this exercise it is necessary to remember the following:
1) The Distributive Property states the following:

2) The multiplication of signs:

Knowing this, and having the following expression given in the exercise:

You can apply the Distributive property multiplying
and
, which are inside the parentheses, by
.
So, you get the following result:

Step-by-step explanation:
Speed = Distance÷Time
so
502.3÷125.803= 3.99275057
Answer:
63°
Step-by-step explanation:
Vertical angles are equal to each other.