1)
LHS:

LHS = RHS. So, the statement is true
2)
LHS:

LHS not equal to RHS. So, the statement is false
3)
LHS:

LHS = RHS. So, the statement is true.
4)
LHS:

LHS = RHS. So, the statement is true.
Haha me don’t know sorry okay
Answer:
∧ABC ≈ ∧PQR Angle-Angle Similarity Postulate
∧ ABC ≈ ∧ DEF Side-Side-Side Similarity Postulate
Step-by-step explanation:
Simplifies the problem, you divide by a value which if plugged into x would equal 0. One example is dividing by (x-1) as x=1 results in 0