Which expression is equivalent to 9a + 12?
3 ( 3a +2)
3 (6a + 9)
3 (3a +4)
3 (6a + 3)

Solve 2^x=32 and rewrite this equation in a logarithmic form

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?