The sum to 2 plus 2 would equal 4
Answer:
(0,50)
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
they are linear functions and if you were to flip they mirror each other
Answer:

A box = $11
Step-by-step explanation:
Given

Represent the first order with A and the second with B.
So, we have:

Solving (a): Find B.
To find B, we make use of:

Make B the subject

Substitute values for Total and A

Open bracket

Collect Like Terms


Solving (b): Cost of a box of light bulb
This means that:

Substitute 7x + 13 for Total

Collect Like Terms


Make x the subject


Anything to the power of 0 is 1, and anything to the power of 1 is itself
so the answer is (4.2 • 10) ÷ 2.
that's 21