Because without place value you might put the decimal in the wrong place and that will effect the answer big time.
Answer:
82
Step-by-step explanation:
49 - 3 + 9 times 8 divided by 2
Answer:
<h2>- 2</h2>
Step-by-step explanation:
The slope-intercept form of an equation of a line:

m - slope
b - y-intercept
We have

Therefore the slope is equal to -2.
Answer:
y=x
Step-by-step explanation:
The graph is going 1 up and 1 to the right. You can plug in a value for x and get y. So if you plug in 1 for x, you get 1 for y and if u plug in 2 for x, you get 2 for y, so when you graph (1, 1) and (2, 2) you know the graph is y=x.
(can I get brainliest please)