Determine which two equations have the same graph.

A. Y= -tan(x - pi/2)
B. Y= cot(x + pi/2)
C. Y= -cot(x - pi)
D. Y= -tan(x - pi)

A. a & b
B. b & d
C. a & d
D. c & d

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm