Answer:
12
Step-by-step explanation:
First figure the ratio of the real building to the model which is 21 divide 3. So the ratio is 1:7, since we're finding the height of the model, we divide 7 by 84 which is 12
Answer:
A balloon rose 32 feet in the air then it fell down to the ground
Step-by-step explanation:
The answer is g you just have to combine the Like terms
Complementary best describes their measures.
Complementary describes 90°.
Supplementary describes 180°.
Congruent describes two figures/lines that are similar.
Linear describes a straight line.