Maria answered 15 math problems in 30 minutes. How many problems did she solve in 1 minute. 10 points and a brain liest

Is a positive integer raised to a negative power always positive

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

Can someone, me with this. i really need with this