3 The net of a triangular prism is shown
below
8.5 cm
10 cm
10 cm
10 cm
What is the total surface area of the prism?
A 470 cm? C 390.5 cm?
B 385 cm?
D 342.5 cm?
At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.