Answer: A and B
Step-by-step explanation:
A square has two sets of parallel sides and so does a parallelogram.
If you would like to simplify 3 * u^2 + 21 * u^2, you can calculate this using the following steps:
3 * u^2 + 21 * u^2 = (3 + 21) * u^2 = 24 * u^2
The correct result would be 24 * u^2.
Answer:
B |−20| > |5|
Step-by-step explanation:
Absolute value bars make it positive
|−20| and |5|
20 and 5
20>5
|−20| > |5|
A. An organ is the oldest keyboard instrument.