Can someone please help me?!

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?