Is known that
(a + b)² = a² + 2.a.b + b²
So:
(x + 4)² = x² + 2.x.4 + 4² = x² + 8x + 16
64.8%. 12 times 10 is 120. 3 times 4 is 12 so the total area is 108. 108 divided by 100 is 1.08 times 60 is 64.8%
All you need to do is multiply the different types of each choice.
For salad, there are three different items. For entree, there are four different items. For side dish, there are three different items. for dessert, there are three different items.
Multiply the four numbers:

<u>108</u> dinner specials are possible.