A hiker begins at 2,000 feet above sea level and takes a break at 1,600feet above sea level. What is the hiker change in elevation?

99 points create an expression equivalent to 3(4x -2) -5x + 10 using the least number of terms. (1 point for expression and 1 point for showing your work)

Write a corresponding real world problem to represent 2x - 125=400

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250