Find the exact value by using a half-angle identity. (1 point) tan seven pi divided by eight

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

The equation ip| = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn?

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?