6438593 rounded to the nearest 1000

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Adeposit of 5500 at 6% for 3 years equals