Step-by-step explanation:
Remove the parentheses: 15a²-6ab+8a²+20+5ab-31+a²-ab Combine like terms: 24a²-2ab-11
Answer: 24a²-2ab-11
Answer:
2
Step-by-step explanation:
12.6 divided by pi= 4.01
sqaure root of 4 is 2
Answer: -13
Step-by-step explanation: Think of it as 5+8 because they are both negative, then add the minus symbol.
Answer:the answer is 1/10
Step-by-step explanation: