Me with a math question, for your time.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)