Please only if you know please Lena starts to use the standard algorithm to solve 39\times439×439, times, 4. Her work is shown below.
\begin{aligned} \overset{\blueD{m}}3\overset{}9& ;\\ \underline{{} \times \phantom{~} 4}&\\ 6& \end{aligned}

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"