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:
25 degrees
Step-by-step explanation:
It's a 90 degree angle so if you subtract 90 from 65 you'll get 25 degrees.
So basically the x will want to be singled out and 3/2-y=the variable
Answer:
the last one : 8/4 < 5/2
Step-by-step explanation: