(25 points) Mark any solutions to the equation 2cos^2x - 1 = 0

-7pi/4
15pi/4
3pi/4
pi/8

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that