The answer to this problem is A
Answer:
The first one is (-3,2)
The second one is (3,4)
The third one is (1,-1)
The last one is (-4,-4)
I HOPE THIS BRINGS UP YOUR GRADE! :)
Answer:
b=1
Step-by-step explanation:

Answer:
k=6
Step-by-step explanation:
150=25×6=5²×6
For 150k to be a perfect square, it is necessary that 5²×6×k to be a perfect square.
This is accomplished when k=6 (smallest value)
k=6, 150k=5²×6²=(5×6)²=30²