Answer:
-6
Step-by-step explanation:
This is similar to collecting like terms in Algebra, that is
- 2x - 7x + 3x = x(- 2 - 7 + 3) = - 6x
Similarly
-2
- 7
+ 3
=
(- 2 - 7 + 3) = - 6
The difference between a number and seven is less than zero.
ANSWER: 3.14159265358979323846264338327950288419716939937510
EXPLANATION: Pi is an infinite decimal number with no end, which means that after the decimal point, the digits go on forever.
To find the desired width we need to solve the equation:



So, the new window will be
4.5 feet wide.