Answer:
So, 
Step-by-step explanation:
To evaluete this expression we apply exponential property
IF any expression has exponent 0 then the value is 1 always
for example, 
because exponent is 0
So,
Walmart: 10 pens/$8.99 -> $.89/pen
Walgreens: 25 pens/$19.75-> $.79
Walgreens has the better deal
A reflection I think is true
Answer:
80p
if you are adding 4p every time you add a drink you will be adding 7 drinks therefore you have to do (7x4p) this will equal 28p then you have to add 28p to 52p
Hope this helps
Answer:
1080 grados
Step-by-step explanation:
