Answer:
21 is a composite number
Step-by-step explanation:
It is a composite because multiple numbers can go in it like 3 and 7 so it is a composite number
Answer:
B
Step-by-step explanation:
You have to add 7 to both sides to isolate the variable
Answer:
32.6
Step-by-step explanation:
when you plug in for s and r you will get 66-33.4 since 5.5 multiped by 12 is 66 and 8.35 multiplied by 4 is 33.4 .
then you subtract them and that's how you'll get your answer
Answer: -a2 - 2ab - b2 + 25 =
-1 • (a2 + 2ab + b2 - 25)
Final result :
-a2 - 2ab - b2 + 25
Step-by-step explanation: