Sara had 197 dollars to spend on 6 books. after
buying them she had 17 dollars. how much did each book cost ?

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Find the solutions for a triangle with a =16, c =12, and b = 63º

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.