Answer:
F
Step-by-step explanation:
Using the properties of 45-45-90 triangles
8=x*sqrt(2)
4sqrt(2)=x
Answer:
0.23
Step-by-step explanation:
Answer:

Step-by-step explanation:
Add up all the sides to get the perimeter:

Answer:
We're looking for a,b such that
\dfrac{9x-20}{(x+6)^2}=\dfrac a{x+6}+\dfrac b{(x+6)^2}
Step-by-step explanation:
14.25+2.30=16.55 so, dr spent $16.55 on school supplies