Find the least common denominator for these two rational expressions.
b2
3
b2 + 2b + 1 b2 - 8b- 9

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !