PLEASE HELP WITH THIS ONE QUESTION Which expression represents the number 12.3 rewritten in a+bi form?

A) 1 + 12.3i

B) 12.3 + 0i

C) 12.3 + i

D) 0 + 12.3i

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?