Which expressions are equivalent to the expression 4a – 6b + 3c?

Tan198=asin164=? how to solve this? ?

What makes a trapezoid an isosceles trapezoid?

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