Given that tan 0=-4/7 , and 270 degrees < 0< 360 degrees , what is the exact value of sec0?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Which graph represents the function g(x) = |x + 4| + 2?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost