A cell phone company's calling plan is represented by this graph. 9
9 8
8+
N
Cost (dollars)
6 5
2+
1-
0 5 10 15 20 25 30 35 40 45 50 55
Time Used (minutes)
What is the cost for each minute used?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5