Asweater originally costing x dollars is on sale. the price of the sweater after tax is
represented by the expression 1.065(x -0.2x ).
what does 0.2 represent in this expression?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Rationalize the denominator of fraction with numerator square root of negative 36 and denominator the quantity of 2 minus 3i plus the quantity 3 plus 2i