Find a and b if a = θ and b = 1/θ (c is at the 90 degree angle of the right triangle)

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

What is the number 321,000,000 in scientific notation? also what is the number? ?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)