Mark bought a notebook for $1.45 and some pencils that cost$0.42 each. if the total cost was $6.91, how many pencils did he buy?

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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?