Which polynomial is in standard form? O 3xy+6x®y2-4xy + 19xy4
18x5 - 7x²y-2xy2 +1774
O xy - 3xy-11x*y2 + 12
O 16+ 12xy2 - 11x®ys +6x?y?

Charlie is a car salesman he earns $800 plus a 9% commission on all of her sales for the week if charlie receive the payment for $1960 this week how much where is total sales

Can someone me and do the problem plz so i can understand it more better

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.