<span>(a+7) * (a-4)
a^2 - 4a + 7a - 28
a^2 + 3a - 28</span>
AG and GB must be congruent and CG and GD must be congruent as well
Dividing 1.93km by 23 minutes, you get 0.083 km per minute, or 5.03 km per hour
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.