Answer:
Graph is option A
Step-by-step explanation:
3x + 5y = –15
To graph the equation , we need to get y alone

Subtract 3x on both sides

Divide whole equation by 5

To graph this equation , we need to make a table
Plug in some number for x and find out y
x 
0 -3
-5 0
Two points on the graph is (-5,0) and (0,-3)
Graph is option A
Answer:
45 when a=5 and 7 when b=3
Step-by-step explanation:
Sorry if its wrong
Answer:
7(m-8)
Step-by-step explanation:
We are given: 7 times the difference between m and 8
We want to write an expression. Let’s begin with “the difference between m and 8”.
Difference means subtraction. Therefore, we must subtract m and 8.
(m-8)
Now, let’s add on “7 times”
Times means multiply. Therefore, we must multiply 7 and the expression we just wrote.
7(m-8)
Therefore, 7 times the difference between m and 8 can be written as: 7(m-8)
Your answer is true.

The equation is used to find the equation of a line in slope-intercept form.
m is used to represent the slope.
x is used to represent the x-axis.
y is used to represent the y-axis.
b is used to represent the y-intercept.
<em>If you have any questions, feel free to ask! :)</em>