Find all solutions to the equation.
cos^2x + 2 cos x + 1 = 0 (4 points)

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Aboard game uses a fair six-sided die and a spinner with five equal-sized sections colored dark blue, green, light blue, red, and yellow. players roll the die and then spin the spinner. match each probability statement to its correct value.

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.