How do you solve

4r-5=1-2r

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 not true about kl and mn? what is mn? (show )

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4