The temperature dropped 5.8 degrees an hour.
Answer: She bought 68 books.
Step-by-step explanation:
Subtract 31 from 99 to find the difference! The difference tells us how many books she bought at the yard sale.
Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have


substitute and solve for r


Answer:41 − 45; 46 − 50; 51 − 55; 56 − 60
Step-by-step explanation: