The rockford's have a square play area that is built around a center sandbox that is in the shape of a circle. the sides of the play area are tangent to the circle . they want to determine the amount of grass seed to but for the spring. if the diameter of the circular sandbox is represented by d use function notation to write a function to represent the play area only.

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

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).