Solve sec^2 (x) < tan^2 (x) + sec(x) over 0 to 2pi

Answer this question only if you know the answer! 30 points and

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.