Can someone please help me with this? I’m really confused

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2