64, because its square root is 8.
49, because its square root is 7.
144, because its square root is 12.
4, because its square root is 2.
Answer:
k = 21
Step-by-step explanation:

Answer:
m=9
Step-by-step explanation:
Answer:
The third is sixty-nine degrees
Step-by-step explanation:
73°+38°+69°=180°
Answer:
1/80
Step-by-step explanation:
probability of selecting one specific boy is 1/8
probability of selecting one specific girl is 1/10
multiply the probabilities to get 1/80