Afair coin is tossed 6 times. find the probabilities of getting more than 3 heads

Me what is the value of x? showing work would be appreciated - ! : )

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

What is the reflection image of (5,-3) across the line y = -x?