Three students simplified the expression 2x- 3(y-2x) +-5times -2y.
amber -4y + 7y
butch 4x + 7y
carl 8x + 7y

who is correct? explain the error the other students made

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

What is the value of x in the following equation. -x ^3/2 = -27

Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.