310 is the estimate measure of the angle
A and B could be any of these combos
1+23
2+22
3+21
4+20
5+19
6+18
7+17
8+16
9+15
10+14
11+13
12+12
First, part A is asking you for the association or correlation of the scatter plot based on the best fit line, or how strongly the scatter plot correlates to the best fit line. You have to find the correlation coefficient by using your graphing calculator for this (let me know if you need help with this). Then, if your correlation coefficient is positive and from 0.8 to 1, then there is a strong and positive correlation. If the correlation coefficient is positive and is from 0.4 to 0.7 (these are all approximate values), then the association is moderate and positive. The remaining range is for a weak and positive correlation. Everything is the same for a negative correlation coefficient, except for how the sign of the ranges and the correlation coefficient is negative.
I'm typing up how to do Part B now. :D
Answer is 76 - 2x
When solving these problems, you have to look at each individual word step by step
76 is being decreased
decreasing means something is being taken away from it, so this must be subtraction
76 -
by twice a number
so something is definitely being multiplied by 2
76-2
Now since we don't know this number that is being multiplied by 2 , you would have to put x in it's place.
76-2x
Answer:
4 hours
Step-by-step explanation:
9÷3=1
1 hour for 3 pages
12÷3= 4
4 hours
