Answer:
Numerical expression 1

Numerical expression 2

Numerical expression 3

Step-by-step explanation:
Numerical expression 1

Numerical expression 2

Numerical expression 3

The answer is a. hope this helps
Answer:
It does not show variation
Step-by-step explanation:
Given

Required
Determine if there's direct variation between x and y
The general form of direct variation is:

Make y the subject of formula in the given parameters;


Compare
to 
<em>Since they are not of the same form, then the given equation do not show direct variation</em>
Answer:
one hand comes off the bat
First, let's simplify the inequality as much as we can:
-4x + 7 > 15
-4x > 8
Divide by -4:
x < -2