The perimeter of a rectangle is the sum of all its sides. As a formula, this is
P = w + w + l + l = 2w + 2l = 2(w + l),
where P is perimeter, w is the width, and l is length.
Let's apply this formula to your question and substitute given information, then solve for l.
P = 2(w + l)
10x + 6 = 2(3x - 3 + l).
10x + 6 = 6x - 6 + 2l
4x +12 = 2l
l = 2x + 6
I think it's :
Part A ; $30 * (x) + $13
$28 * (x) + $15
Part B ; so $30 * 4 + $13 = $133 vs.
$28 * 4 + $15 = $111 so that would mean company B Would charge the least amount.
Part C ; the difference between company a and company B prices is $22.
Answer:
c
Step-by-step explanation:
Answer:12
Step-by-step explanation:They are adding three box for every building so is the fifth block you do it
Answer:
and 
Step-by-step explanation:
Given
[Correct Question]


Required
Solve using elimination
First, we eliminate x.
Subtract equation (1) from (2)




Divide through ny 7

Take 
Make x^2 the subject

Substitute 4 for y



Take square roots

