Understanding Subtraction w
Integers
Mary takes 9 grapes from Rohin and then decides to give
cribe how many grapes Rohin has,
Write a subtraction problem to describe how many gropes
Draw a model for the subtraction problem using integer chip
How many negative integer chips did you cross out!
Write the subtraction as addition,
Draw a model for the additisa qushless young woger dan

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.