Writing and reasoning:
how could you use a tens fact to solve exercise 4?

4. anna cut out 13 shapes. 5 shapes are round. the other shapes are square. how many shapes are square?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

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.