Simplify (2x – 2y)(2y + 8) = ? a. 4xy – 4y2 b. 4xy – 16x – 4y2 – 16y c. 4xy + 16x + 4y2 + 16y d. 4xy + 16x – 4y2 – 16y

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

What is the absolute value of the complex number -4-sqrt2i

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?