Find the exact value.
sec(-330) the answer was -1/2. i am slightly confused using the unit circle and how it got to the conclusion as -1/2. if you can explain this you!

Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

What is the value of x in the equation 2(x-4) = 4(2x + 1)?