To prove that △lmn ~ △xyz by the sas similarity theorem, it also needs to be shown that.
∠n ≅ ∠z
∠n ≅ ∠x
∠l ≅ ∠z
∠l ≅ ∠y

If $190 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 4 years? use the continuous compound interest formula: a = pert