Answer:
$70
Step-by-step explanation:
$35 = 7 windows
$35 + $35 = $70
When the equation is ax+b which is y =ax+b
Answer:
.5 and .5, .75 and .25, ect
N equals <em>416</em>
Hope this helps!
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