Answer:
1/10
Step-by-step explanation:
5/20 x 8/20 = 1/10
Answer:
Yes, 4 squared is a rational number.
Step-by-step explanation:
4 squared = 4 x 4 = 16
Answer:
k = 28
Step-by-step explanation:
12/k = 18/42
Cross multiply.
18k = 12 * 42
18k = 504
Divide both sides by 18.
k = 28