5y+4x
5(10) + 4(-5)
50 - 20
30
Answer:
The length of the model is 21 inches
Step-by-step explanation:
we have
The scale factor

That means
1 unit in the model represent 12 units in the actual
1 inch in the model represent 12 inches in the actual
Remember that

so
1 inch in the model represent 1 ft in the actual
The scale factor is

therefore
21 ft in the actual represent 21 inches in the model
Answer:
ijnnh
Step-by-step explanation:
10ihfgyiooojkooo
The answer would be B, due to the fact that the shaded area is above the line.