How do you write three hundred six and four tenths in standard form?

What is the slope of the line shown below?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.