Use substitution to solve each system of equations.

x-2y
y=x-2

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)