Answer:
11.25
Step-by-step explanation:
Distraibutiv peorpoty
a(b+c)=ab+ac
we have
3a+7+2(3+a)
distribute first
2(3+a)=6+2a
now we have
3a+7+6+2a
move like terms together
3a+2a+7+6
add lke terms
5a+13
Answer:
A
Step-by-step explanation:
3y (-5)(y+2)
3y(-5y-10)
3y-5y-10
-2y-10
-2y-10
1.) A librarian had to pick thirteen books into boxes.if each box can hold six books ,how many boxes did she need?
2.)Each house a carpenter builds needs six sinks.if he bought twenty-nine sinks,how many houses would that cover?
3.)A flash drive could hold six gigs of data.if you needed to store thirty-nine gigs,how many would you need?
