Find the slope and y-intercept fotv

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?