Juan is walking up a hill at 130.75 feet above sea level when he kicks a pebble. if the pebble falls to the base of the hill, which is 18.5 feet below sea level, what is the vertical distance that the pebble fell?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice