Answer:
r= $1.00
Step-by-step explanation:
all of them is not a quadratic equations
There are 8 fluid ounces in 1 cup. You can solve this problem using these proportions:

It states that there are 8 fluid ounces in every 1 cup and 144 fluid ounces in every <em>x </em>cups. We have to solve for <em>x </em>using cross-multiplication:

Vickie can fill 18 1 cup candle molds with 144 fluid ounces of scented candle wax.
Answer:
the difference of the product of 3x and 4 and of the sum of -1 and 2