What is the factored form of the expression over the complex numbers?

4x2+25y2

options-

a (2x+5iy)(2x−5iy)

b (2x−5y)(2x+5y)

c(2x+5iy)(2x+5iy)

d (2x−5iy)(2x−5iy)

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

1. how do you find p(a and b) if a and b are dependent events for two or more actions, such as selecting two candies and drawing p(green, and then pink)?