Answer: D
Step by Step: Even though the y value repeats, to be considered not a function is when the X value repeats
Answer:
I'm not lol
Step-by-step explanation:
Since Christi earns $21 per hour, to find how much she earns by working 19 hours per week we need to multiply the hourly wage by the number of hours she works in a week:

Her weekly wage is $399
Answer: D) $399
Answer:
(a) Verified
(b) They are simultaneous equations
Step-by-step explanation:
Given


Required
Verify that:
is a solution
We have:

Substitute:

Evaluate all products

Subtract:

<em>Because both sides of the equation are equal, then the point is a solution</em>
<em></em>
Also: 
Substitute:

Evaluate all products

Subtract:

<em>Because both sides of the equation are equal, then the point is a solution</em>
<em></em>
<em></em>
Because the given point is a solution to both equations, then they are simultaneous equation
Answer:
16x16+14−99x8
=16x16+14+−99x8
Answer- =16x16−99x8+14
sooo its -522
Step-by-step explanation:
hope this helps! :)