Answer:
<h3> -8(2x +x )/-2y = - 30</h3>
Step-by-step explanation:
x=-5, y=2 and z=0
-8(2x +x )/-2y =(-8•3x)/-2y = [-8•3(-5)] / (-2•2) = 120/(-4) =-30
Answer:
5
Step-by-step explanation:
The value of <em>y</em> is five times the value of <em>x</em>. In symbols, this relationship is

Compare this with the slope-intercept form of the equation of a line.
where <em>m</em> is the slope and <em>b</em> is the <em>y</em>-intercept.
The value of <em>m</em> is 5. The slope is 5.
Answer:
-250
Step-by-step explanation:
I don't know for sure but I hope it's correct.
Answer:


Step-by-step explanation:
Let the salted package be represented with 1 and the unsalted, 2.
So:
Mean of salted package
Mean of unsalted package
Considering the given options, the null hypothesis is that which contains =.
So, the null hypothesis is:

The opposite of = is
. So, the alternate hypothesis, is that which contains 
So, the alternate hypothesis is:
