Is it 25 cm???????.................
All of them have the same answer of -8 except the last one.
Answer:

Step-by-step explanation:

For positive rate of change 

Answer:
35
Step-by-step explanation:
this is a right triangle g+55 is a right triangle as shown by the red square in the corner.
90-55=35
so g=35
k = 12
cancel out the r on both sides
then divide -144 by -12.
you get 12.