Answer:
$18.75
Step-by-step explanation:
11.25 - 10.50 = 0.75
0.75 • 25 = 18.75
18:20
Multiply each side by 2
Most textbooks interpret standard form of a quadratic function to be as follows:
f(x) =

In the function f(x) =

, notice we do not have a value for "c". Just place a "0" in for the c and you have standard form.
the criteria for standard form:
1. All like terms are combined
2. Degree must drop from left to right
3. The leading coefficient cannot be equal to zero.
12 x 16 = 192. So, the room is 192 square feet.