Answer:
segment BC ≅ segment BC (reflexive property of congruence)
Step-by-step explanation:
Reflexive property of congruence states that an angle, line segment, or shape is always congruent to itself.
Before statement 6, you need to prove that side BC is the same for both triangles
Answer:

Step-by-step explanation:
Let
denotes number of pencils, markers, erasers respectively.
For Andrea:

For Justin:

For Virginia:

On subtracting equations (i) and (ii), we get

Put
in equation (i)

Put
in equation (iii)

Multiply equation (iv) by 5 and equation (v) by 6 and then subtract both the equations.

Put
in equation 

Put
in equation (i)

Answer:
18
Step-by-step explanation:
6x5=30
2x8=16
8x1/2=4
30-16=14
14+4=18
Answer:
2.71428571429
Step-by-step explanation:
calculator, counted it myself too to check if it's right
2.71428571429
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