Question

rohithkrhoypuc1 please answer this question I will Mark you brainlist​

Answer 1

Answer:

sorry I don't know this answer

Step-by-step explanation:

Please thank my answer and mark me as brainlist

Answer 2

Answer:

1. 3²+3k=21

3k=21-9=12

k=4

2. 1²+k=5

k=4

3. (-5)²+12×-5+k=0

25-60+k=0

k=60-25=35