Simplify the radical expression. Use absolute value symbols if needed.
√400x^2y^6

A. 20|x|y^3
B. 20|x|y^4
C. 20|xy^3|
D. 20xy^4

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Precalculus question, image attached.