Express Jenny's age in terms of a if jenny is three years less than half of Anne's age Express Fraz's age in terms of a if Fraz is twice the sum of Anne's age and 7

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

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

If a is a nonzero real number then the reciprocal of a is