Answer:

Step-by-step explanation:
Notice that Angle A is being bisected.
Hence, we can use the Angle Bisector Theorem to write the following proportion:

Solve for x. Cross-multiply:

Distribute:

Subtract 14x from both sides:

Add 50 to both sides:

Divide both sides by 6. Hence, the value of x is:

The expression is equivalent to r^(m-n)
Answer:
C)
Step-by-step explanation:
Answer:
7
Step-by-step explanation: