3x² (6x² - 13x - 5) =
3x² (2x - 5) (2x+1) .
Answer:
Es 14
Step-by-step explanation:
Tu pones el 6 en y. 6/6 es 1.
13 mas 1 is 14.
It's 65 it cuts it in half u only get 5 points
Answer:
1.04 inch
Step-by-step explanation:
Given: Old house has a basement stairways with 7.25 inch vertical riser and 7 inch horizontal treads.
Remember; horizontal treads is known as run in steps.
Now, calculating the slope of the stairways.
Formula: 
Rise= 7.25 inch
Run= 7 inch.
Subtituting the value in the formula
Slope=
(∵ Round to two decimal)
∴ Slope of stairways is 1.04.
I believe it is C, systematic sampling.
Hope this helps!