CUSING TOOLS Use the unit fraction $\frac{1}{5}$ to represent the space between the tick marks on the number line. Write an expression involving subtraction that is being modeled. Then find the difference. A number line with two arrows on top of it. It has four tick marks to the left of 0 and two tick marks to the right of 0. One arrow begins at 0 and ends at the fourth tick mark to the left of 0. Another arrow begins at the fourth tick mark to the left of 0 and ends at the first tick mark to the right of 0. An expression is . The difference is .

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

f(x)=2/3x-8, which give g(x) the greatest value.

step-by-step explanation:

1. sometimes

2.   never

3   .08c = 7.50+.05c   250 pages

step-by-step explanation:

1.   sometimes

the theoretical probability of rolling a 1 is 1/6.   perhaps you got really lucky and never rolled a 1   in those 60 times.   your experimental probability is 0.   or perhaps you rolled a 1   20 times.   your experimental probability is 20/60 is 1/3.     it really just depends on how you rolled in that experiment.

2.   never

the probability of the event occurring is 1.   that is being 100 % sure it will happen.   that is the maximum amount of confidence we have.

3.   no customer card cost:   .08 times number of pages

customer card cost:   7.50 + .05 times number of pages

we want to find when it costs the same amount, so we will set these equal

let c = number of pages

.08c = 7.50+.05c

subtract .05c from each side

.08c-.05c = 7.5+.05c-.05c

.03c=7.5

divide each side by .03

.03c/.03 = 7.5/03

c =250  

the cost is the same at 250 pages