Which is a biconditional statement of the conditional statement "if X^3=-1, then X=-1"

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement in