a+b+c=68
b-3=a
c-5=b
now just solve the system of equations, substitue so that there are only b's in the equation:
a+b+c=68
(b-3) + b + (b+5) = 68
3b=66
b=22
Therefore Barbara is 22
Answer:
4a^2
Step-by-step explanation:
Therefore, the largest common factor is 4a^2. Hope this helps!
Answer:
The first quadrant
Step-by-step explanation:
Aka upper right quadrant
False because you can only use the Pyth. Theorem on right triangles which may not necessarily be ALL similar triangles.
Answer:
192
Step-by-step explanation:
Given
4xyz ← substitute given values into expression
= 4 × - 2 × - 6 × 4 = - 8 × - 24 = 192
