What is the area of the triangle shown below? pg616144

A 110.5 square inches
B 442 square inches
C 221 square inches
D 884 square inches

i dont know why put it in a link plz look at it i need help it not a scam

Which of the following expressions are equivalent ?

What is x and y intercepts for y=x+7

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.