Answer:
I think the temperature went down 86° but I'm not sure
Answer: 0.068
Step-by-step explanation:
You have to move the decimal place 3 to the left since you're dividing.
Answer:
b=4, h=5
Step-by-step explanation:b(b+1) divided by 2 is 10, so b(b+1)=20 so b^2 + b =20 so b^2 +b -20=0 which equals (b+5)(b-4), giving us solutions -5 and 4. However, -5 is invalid bc it is negative, so base must be 4 making height 5