Use "PEMDAS"
First we'll add then subtract


i got 28cm.... But im not sure
Answer:
B. False
Step-by-step explanation:
Given

Required
Is the distance between them 
Given that there are two points, the distance between them is calculated using
Distance = 
In this case;

Substitute these in the given formula
Distance = 
Comparing this with the given formula, both are not the same;
Hence, the formula is false and the correct formula is of the form 
Answer:171x+8
Step-by-step explanation:
3x^3+12x^2x+8
=27x+144x+8
=171x+8
<h3>
Answer: Yes it is linear.</h3>
Explanation:
The given equation is the same as y = 0x - 7. It matches the form y = mx+b which is slope intercept form of a linear equation.
The slope m = 0 always applies to horizontal lines. All points on this line have a y coordinate of -7.