Thales, an ancient greek mathematician and philosopher, used certain triangles to find the height of unknown objects. he waited for the time of day when the shadow of a meter stick was exactly one meter long. at this exact moment, thales said the height of the unknown object would also be the same as the length of its shadow. what type of triangle was he using? explain why this theory works.

Muscles, a membership-only gym is hoping to open a new branch in a small city in pennsylvania that currently has no fitness centers. according to their research approximately 12,600 residents live within driving distance of the gym. muscles sends out surveys to a sample of 300 randomly selected residents in this area (all of who respond) and finds that 40 residents say they would visit a gym if one was located in their area. based on the past survey research, muscles estimates that approximately 30% of these respondents would actually join the gym if they opened one in the area. based on this information and the results of the sample survey, about how many residents should muscles expect to join its new branch? a) 134 b) 504 c) 1,680 d) 3,780

10% of 1,900,000. show me how you got the answer

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,