Answer:
Exact Form:
72/5
Decimal Form:
14.4
Mixed Number Form:
14 2/5
Step-by-step explanation:
yea thats what i got
Answer:
24 units²
Step-by-step explanation:
Surface area of a cube = 6a² , where a = the side given
=> 6(2)²
=> 6(4)
=> 24 units²
Hope this helps!
Use the property
(a -b)(a+ b) = a^2 - b^2
49x^2 - 81 = (7x + 9)((7x - 9)