ADD.
a + ( -8a)
The answer is?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?