36x+10 feet
length:(15x) times two equals: 30x ,plus width:(3x+5) times two equals:(6x+10)=36+10 feet
sorry if it's confusing
Answer:

Step-by-step explanation:
→ Substitute in t = -3 into 

→ Simplify

→ Simplify
⇔ 
Y=mx+b change the equation to solve for m instead. first subtract b on both sides
y-b=mx then divide both sides by x
(y-b)/x=m
m=(y-b)/x
The correct answer of

if x=4 is 272.
to solve the equation if x equals 4, you must substitute the x of the 4.

then solve by order of operations.
solve what is inside the parentheses first

then do the multiplication of the factors

then the final step, adding, to get the solution of 272
Answer:
$15.28 for 6 issues cost more
Step-by-step explanation:
$29.88 divided by 12 is $2.49
$15.28 divided by6 is $2.546