Quadrilateral Q’R’S’T is a dilation if quadrilateral QRST, with the origin as the center of dilation. What appears to be the scale factor used to create this dilation?

4

0.5

2

0.25

Barry wants to open a checking account. he wants online services, and a debit card. he is looking at the following tables of fees from his employer's credit union, eecu, and a local bank, e-town bank: based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24 select the best answer from the choices provided a b c d

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

Bring the fraction a/a-4 to a denominator of 16-a^2