What is the value of -2x+7 when x=4

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.)

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c