Answer:
x
2
+
2
x
−
15
Step-by-step explanation:
The slope of the line is -1/7, so the perpendicular line has a slope of 7
Answer:
24 ounce package ( cheapest )
Let's call the width of our rectangle
and the length
. We can say
, since the length is equal to 4 cm greater than the width.
Also remember that the perimeter of a rectangle is the sum of two times the width and two times the length, or
. To solve this problem, we can substitute in the information we know, as shown below:




Now, we can substitute in the width we found into the formula for length, which is
:


The width of our rectangle is
cm and the length of our rectangle is 