Answer:
b. 17
Step-by-step explanation:
<u>Add up all the numbers</u>.

<u>Divide by how many numbers there were</u>.
The amount of numbers in the data is seven.

Kind of true and kind of false : Sometimes they are, but there is nothing that force two acture triangles to be similar, even if they have the same measurement of the acute angle.
For that you would need to have 3 angles the same.
For example, if the angles were 40-60-80, you have an acute triangle. But if you had a 45-55-80 triangle, that is also acute, but not similar even though it shares an angle of 80 degrees.
Answer:
Left yes
right no
Step-by-step explanation:
that goes for top and bottom
-27+8
( The minus signs multiply each other to form a +. )
= -19