does anyone know how to solove for 2^-2b=8 im super confused and could you please show work(will mark brainlist if you show work) thank you

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

27/9=18/x a. x=9 b. x=18 c. x=6 d.x=3