Answer:
It's 3 x 7 pond or a 7 x 3 pond
Step-by-step explanation:
Let the rectangular pond have dimensions l x b.
ATQ, l*b=21 and 2(l+b)=20. Solving it, we get l=3 or 7 and b=7 or 3.

The numbers are 3, 7, and 11.
z = 2
'Answer:
Step-by-step explanation:
z + 22
---------- = 12
z
Multiplying both sides by z results in
z + 22 = 12z
Combining the z terms, we get 22 = 11z, which yields z = 2.
6 x 6 equals 36 because that is the answer.
Answer:
31
Step-by-step explanation:
A negative negative is a positive
12- (-19)
12+19
31