4x2-7+2=0
What is the solutions

Given this information, which expression must represent the value of b?

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?