What are all the exact solutions of cos x = - sqrt(3) / 2 on the interval pi < = x < = 2 pi ? give your answer in radians.
a )pi / 6 and 11 pi /6
b ) 5 pi / 6
c ) 7 pi / 6
d ) 5 pi / 6 and 7 pi / 6

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

2/3(-6y+9x) expand each expression using the distributive property

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.