Find the Jacobian. ∂(x, y,z)∂(s, t,u), where x=5s+4t−3u, y=5u−(5s+3t),z=4s+2t+3u

Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission? ” the salesperson says that her commission is 5 1/2% of the selling price. a.how much commission will the salesperson earn by selling a couch for $495? b.how much money will the store get from the sale of the couch?

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.