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Answer:

Step-by-step explanation:
Given:
The perimeter of a rectangle is given as,

We are asked to express this in terms of
.
Add -2l both sides and simplify. This gives,

Now, we divide both sides by 2 to get an expression in terms of
. This gives,

Answer:
angle R = 37
angle Q= 114
angle p = 29
Step-by-step explanation:
(3x+3) +(x-8) +(x) =180
5x-5=180
x=185/5
x=37
Answer:
the linear function is y=-3^2+1