The length of the rectangle is 3 cm
<h3>Applications of Quadratic equations</h3>
From the question, we are to determine the value of the length of the rectangle
To find the length of the rectangle, we will determine the value of x in the given equation
The given equation is

This can be written as

Factorizing



Then,
OR 
x = 3 OR x = -8
Since, the length of the rectangle cannot be negative, the value of x is 3.
Hence, the length of the rectangle is 3 cm.
Learn more on solving quadratic equations here: brainly.com/question/8649555
Answer:
90/x=70/100 that's my answer

Answer:
12 pints of blue paint
Step-by-step explanation:
3 yellow pints, 2 blue pints
18 yellow pints is 18/3=6
so 2blue pints times 6
12