Solve the equation with steps 14.34-6.36

Simplify the expression. -2/5(10+15m-20n)

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

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?