Answer:
Step-by-step explanation:
The correct value of w is 20 as the width of a rectangle must be positive. A quadratic function always has 2 zeroes and in a case like this the negative one is ignored.
Expand
(4a + 12 = 12 + 4a)
Cancel 4a on both sides
12 = 12
Since both sides are equal there are infinitely many solutions
Process of elimination, cross out d) no solution. But I would best go with C)
1 L = 1000 mL
1000 mL / 250mL = 4
so it would take 4 full containers for 1 liter
4 containers x 5 liters = 20 full containers
the answer is C