Write the statement as a biconditional.

points in quadrant upper i have two positive coordinates.

choose the correct answer below.

a.

upper a point is in quadrant upper i if and only if it has two negative coordinates.

b.

if a point has two positive coordinates comma then it is in quadrant i.

c.

if a point is in quadrant upper i comma then the point has two positive coordinates.

d.

upper a point is in quadrant upper i if and only if it has two positive coordinates.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Is it greater than or less than7*3_9*2