Perform the operation to simplify (-2x^4 + x^2 - x - 9) + (x^4 -x^3 -5x +3)

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute