I think its shear, because that is the only one in which the shape actually changes shape and size
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:
A. a rectangle and a triangle
Answer:
50 is the intrest 550 os the amount
I think the answer is D: interview every student who eats lunch in the cafeteria