How do you write 12,800 in scientific notation?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?