Is the expression a perfect square if so, factor the expression.
16a^2+8a+1

a)(4a+1)^2
b) (a+4) (a-4)
c)(a-4) (a-4)
d) not a perfect square

explain

Can anyone explain to me how to do this? anything will .

(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs

Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450