PIGN ANIM
La muzeu sunt oferte de DVD-uri pentru copii: experimente si texte stiintifice. Un pachet format
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din 4 DVD-uri cu experimente si 5 DVD-uri cu texte stiintifice costs 187 lei, iar unul format din
4 DVD-uri cu experimente si 7 DVD-uri cu texte stiintifice costă 217 lei.
Cât costă un DVD din fiecare fel?​

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734

is there more to this question?

i think it will be 4feet long of what i comprehend