Answer:
#4) 1
Step-by-step explanation:
To find the average, add all of the temperatures together, then divide it by the number of temperatures added.
It'll look like this: (-10+2+8+4)/4
Answer:
23.25
Step-by-step explanation:
multiply 15x1.55 and once you get your answer divide it by 15 and see if you start back with 1.55 or the number it gives you.
Answer:
if you wanna know the general equation for the line then it's:
y= 1/4x -3
First off, nicely done on the exponents. You'd be surprised on how bad some look ,:D
a)

b)
Answer:
This triangle is a obtuse traingle.
Step-by-step explanation:
First of all, it is impossible that this triangle is actute since the sides are different length.
Right is also not possible ( in this case ) because there are two pretty far sides.
30, 39
A obtuse triangle have a short side of 11 cm pointing top right and a side of 30 cm pointing directly to the right and the 39 cm side connecting the ends of the other sides.
\ Third side ( 39 cm , the one connecting
First side ( 11 cm ) \ the ends of side 1 and 2)
\______________
Second side ( 30 cm )
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