Which of the following sets of four coordinates could not be the four vertices of a square?
a. (-1,0), (-1,2), (-3,2), (-3,2)
b. (1,3), (3,-3), (1,-5), (3,-5)
c. (1,0), (4,3), (4,-3), (7,0)
d. (0,-2), (0,-4), (-3,2), (-3,-4)

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given