Adam had 12 trucks. he gave 4 to ed. how many trucks does adam have now?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)