PLS HELP GUYS I CRY BECAUSE DON’T UNDERSTAND THIS 2 SLIDES

What other information do you need to prove triangle dac=bca by asa

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years