Answer:
a) 121,000
b)8.35 x 10^-6
Step-by-step explanation:
the answer is -30
| 2 4 |
| 3 -9| = ( 2 * (-9) ) - ( 4 * 3)
= - 18 - 12
= -30
5/22 or 0.22%
decreasing
since its negative it will slope down
