If someone tells you the public debt is 1.258x 10 to the 13 dollars, how much money is that

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)