12.

13.

16.

is already in simplest form.
Tina should buy 6 packs of aa batteries and 2 packs of d batteries. the cost of each is given as.
6 packs of aa batteries = 6x3 = $18
2 packs of d batteries = 2x4 = $8
total cost = 18 +8 = $26
and aa batteries pack are 3 times greater than d batteries.
Answer:
y=scott the woz
Step-by-step explanation:
Answer:
<h2>
a₂₁ = 188</h2>
Step-by-step explanation:
The n-th term of an arithmetic sequence: 
so:

100+25x=250
Subtract 100 from both sides
25x=150
X=6
6 people