Notebook cost $1.20 each. this weekend they will be on sale for $0.80. what percentage is the sale

33,33%

Step-by-step explanation:

In order to calculate this you just need to figure out how much does the money that is being removed from the cost is in percentage, we know that the notebook costs 1.20 each, and they are on sale for .80, so to calculate the difference we withdraw from the total cost, the sale cost:

1,20-,80=,40

So the disscount is ,40 dollars, now we use a rule of three to calculate this, using 1,20 as the 100%:

So we get that the percentage of the disscount will be 33.33%

answer: a and c are correct

step-by-step explanation:

the +5 is the vertical translation

the added negative symbol in front is the reflection over the y-axis

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get