Answer:
1/5
Step-by-step explanation:
2/5 + 3/5
(2+ 3)/5
2/5 + (2 + 3)/5 = (4 + 3)/5
(4+ 3)/5 = 7/5
4+ 3 = 7
4 = 4
c = 1/5
So, firstly, in order for us to know how much is each baseball card pack, we divide 12 dollars by 4 and we get 3. Therefore, each baseball card pack costs $3. So for 21 dollars, he can purchase 7 baseball card packs. 21 divided by 3 is 7. Hope this answers your question. Have a great day!
Im not sure but I think u have to add or multiply
Answer:
B
Step-by-step explanation:
Trust
We are given expression:
.
Square root in exponent form is power
.
Therefore,
.
Now, replacing square root of 16 by
in original expression we are given, we get
.
Therefore,
<h3>

= 16 in simplest form. By the Power of Power rule,

. So,

must equal

in radical form.</h3>