Answer:
Pam is correct!
Explanation:
Pam saved 40 dollars
Pams brother saved 100 dollars
Every 2 dollars Pam saves her brother saves 5
If you divide 40 by 2 and divide 100 by 5, you will get 20. Because the equation equals the same amount, Pams statement is true!
Answer:
The value of z is more than 34.
Answer:
use the formula a^3+b^3= (a+b)-3ab(a+b)
in above question assume (a+b) as a and 1 as b
later in (a+b+1) take (a+b) as a and 1 as b
and use the formula (a+b)^2 = a^2+2ab+b^2