You measure the apparent brightness of a particular star to be 2.5 x 10-10 watt/m2. A parallax measurement shows the star’s distance to be 42 light-years, or about 4 x 1017 meters. What is the stars luminosity?

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

What is the approximate difference in tenths between √12 and √15?

Acollege student takes out a $7500 loan from a bank. what will the balance of the loan be after one year(assuming the student has not made any payments yet) a. if bank charges 3.8% interest each year ?