ANSWER QUICK IM TIMED Answers:
A. (Negative 4, Negative 2 and one-half)
B. (Negative 4, 2 and one-half)
C. (4, negative 2 and one-half)
D. (4, 2 and one-half)

C

Step-by-step explanation:

The 4 (x) is positive and the -2 1/2 (y) is negative.

X is only positive when it's past zero on the right side, on the left it is negative.

Y is only positive when its past the zero and going up, and is negative going past the zero and down.

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)