Substitute 4y for x.
2(4y)-3y=-15
8y-3y=-15
5y=-15
Dividing by 5, we see that y=-3.
Answer:

Step-by-step explanation:

20 can be written as a product of 4 and 5.

4 is a perfect square.

Square root of 4 is 2.

45.5 is your answer, you will have to multiple the height times the base ( 5 x 9.1 )
Answer:
Distance
Step-by-step explanation:
Distance is unknown in the given situation.
Answer:
On the x-axis, plot to the left at -4.
From the point -4, go up 1 and to the LEFT 2.
When you draw yours line, it is a dashed line so leave a little space in it.
Then you should shade above the line.