4

This is because there is an imaginary 1 in front of the first sqrt.
Answer:
120 bricks = 10 kg
120 bricks × 10 kg = 1200 kg
1200 kg + 9000 kg = 10200 kg
I think it's A because 35n is independent from the 50.
Answer:
The total cost of the shirt and Jean's together with a 15% discount would be $48.45.
Step-by-step explanation:
if you at 12 and 45 you get 57 now if you multiply that by .15 which would be 15% you would get $48.45.