Answer:
29
Step-by-step explanation:
20^2+21^2=841
First step is replacing x with -4. => -3=5y+8 => 5y= -8-3 => y =-11/5
Answer:
The volume of the square base
Step-by-step explanation:
so if you take
588/9 = 65in
Answer:
B.
; 
Step-by-step explanation:
According to the statement, we find that the following two conditions must be observed:
(Eq. 1)
(Eq. 2)
Since the difference between two even numbers leads to another even number. Hence,
must be an even number and the correct answer is B.