Answer: the answer will be 10
Step-by-step explanation: Because you are subtracting 30-20 since it says what is the total change in the temperature. do you undeerstand now?
Answer:
(x - 5)² + 2
Step-by-step explanation:
x²-10x+27 = (x²-10x+25) + 2 = (x - 5)² + 2
Answer:
39
Step-by-step explanation:
If x=1, then it's equal to 140/(1+9, or 10)+(1+4, or 5)^2, and that is equal to 140/10+5^2, or 140/10+25, and 140/10=14, and 14+25=39
brainliest pls