Answer:
second option
Step-by-step explanation:
Under a rotation about the origin of 90°
a point (x, y ) → (- y, x )
-8x-y=4
-
-8x-y=9
=
0≠9. As a result, this system has no solution. Hope it help!
Answer:
The answer is 3:6 for above probability
8 nickels
6 nickels, 1 dime
4 nickels, 2 dimes
2 nickels, 3 dimes
4 dimes
1 quarter, 1 nickel, 1 dime
6 different ways
