Subtract using a number line,
-3-(-7)
Select the point on the number line to plot the answer

−3−(−7) = 4

Step-by-step explanation:

The given expression is

We know that (-)(-)=(+). So, the given expression can be written as

-3+7

4

We need to find the value of the given expression using a number line.

Two numbers are -3 and -7.

Plot these two numbers on the number line.

Now, start form -7 and jump up to -3 on the number line and count the jumps, then the number of jumps is the answer.

From the below figure it is clear that the number of jumps between -7 and -3 is 4.

Therefore, the value of the given expression is 4.

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.