I used synthetic division on the first one cuz I could and got that D is the answer for that one (#3); the next one I used long division and got C. Learn how to do this because it's a method of factoring and factoring is everywhere...it's just as important as being able to solve equations.
Answer:
x = -1.5
Step-by-step explanation:
Using a matrix, you CAN represent adding or subtracting equations by adding or subtracting rows of numbers. Therefore the answer is True
Answer:
The relationship is positive.
The model predicts a score of 60.
Not sure what part b is.
Step-by-step explanation:
Since while the money spent on advertising increases while the items sold increases, we have a positive relation between both variables.
By looking at where 30 is on the graph, we can see it lines up with 60,the middle between $40 and $80 on the y axis and so we know this is the cost associated with this value.
Its one thousand years old because you need to multiply 100 and 10. hope it was useful
