Circle x is shown in the diagram. which equation can be used to solve for m∠1?
a m∠1 = 1/2(a – b)
b m∠1 =1/2 (a + b)
c m∠1 = 1/2(c – d)
d m∠1 = 1/2(c + d)

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.)

Can someone me do math because i am having a breakdown rn because i don’t get it

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?