R could equal any number, but it has to be higher than 4, because 3+4=7.
Answer: 2x^2-7x-15
Step-by-step explanation:
reorder the terms (x*2+3)*(x-5)
multiply the parentheses
(2x+3)*(x-5)
collect like terms (2x^2-10x+3x-15)
product= 2x^2-7x-15
Answer:
3 + 3 + 1
Step-by-step explanation:
The doubles is 3+3 which is 6 plus 1 is 7
I would say 2. As the line of best fit is supposed to represent the average of all the data points. It's not nessecarily needed to go through every point.