8• (5+x) < 56
That is the equation
Slope formula:
y2 - y1
_____
x2 - x1
5 + 16
_____
18 + 8
21
__
26
slope is 21/26
Answer:

Step-by-step explanation:
Given

Required
Shorten
We have:

Rationalize

Expand



Take positive square roots
Take LCM

Collect like terms


Answer:
Positive
Step-by-step explanation:
If you multiply both negative, it will always result to positive.
Rule:
+ × + = +
+ × - = -
- × + = -
- × - = +