Which expression is equivalent to `((2xy)^(-2))/(4y^(-5))`?

Which expression is equivalent to (9x^(2)y^(6))^(-(1)/(2)) ?

Which expression is equivalent to 2 (-4j ^(3) k ^(-4))^(-3) ?

Which of the following expressions is equivalent to 25 x ^(2) y ^(4)-1 ?

(y^(3)+3y^(2)-y-3)/(y^(2)+4y+3) The expression above is equivalent to

Which of the following is equivalent to the expression (2x^(4)-5x^(4))^(2)?

An expression is taken away from 3x^(2)-4y^(2)+5xy+20 to obtain -x^(2)-y^(2)+6xy+20, then the expression is.

Add the following expressions using horizontal method : -x^(2)y + xy^(2) + 2xy , 3x^(2) y + 4xy^(2) + 5xy and 7x^(2)y - 10xy^(2) - xy

(9+2i)(4-3i)-(5-i)(4-3i) The expression above is equivalent to which of the following?

The expression x (x ^(3) y ^(2)) ^(-4) is equivalent to which of the following

The expression (7y-3)/(y+2) is equivalent to which of the following?