Answer:
r = - 8/9
Step-by-step explanation:

Answer:
10 gallons 12 seconds.
Step-by-step explanation: The arrow is at 10 and pointing where 12 is.
Divide the arrow into upper triangle and lower rectangle
area of triangle :-


area of rectangle :-

add both the area :-
area of triangle+ area of rectangle = area of arrow
310 + 300 = 610 cm²
Step-by-step explanation:
(-3+3i) - (8 – 9i)
-3+3i - 8 + 9i
-11+12i