You treated yourself and a friend to sodas and snacks at a concert. the total was $16.75. you tipped 15%, and there was a sales tax of 6.5%. what was the total amount you paid?
a.$19.10

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Write and solve a real word problem that involves determining distance on a coordinate plane

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b