Daniel left a $9 tip for the waiter at a restaurant. if the tip was 15 percent of the bill, how much was the bill?

15% = .15
add 1.00 to include the original amount

9 *(1+0.15) = 10.35
so $10.35

Ithink if im not mistaking b is -3 but im not a 100% sude

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .