Answer:
Rational
Step-by-step explanation:
-9 is rational because 9 is a perfect square and all perfect squares are rational.
Answer: These ARE congruent to each other.
Step-by-step explanation: Do you see the ''tick marks?'' They both have 1 set of 2, and 1 set of 1. If that makes sense. They also have a "angle" in one of their acute angles.
Answer:
21.72
Step-by-step explanation:
0.07 x 20.30
When added correctly, you will come to the answer of 959,959.
hope this helped, dont forget to mark this answer as the brainliest!!!!
