The answer is X = 11 - 3. This is because to calculate the original value of how many books Isabella had, you have to take away the amount purchased from the overall total amount. Therefore, the equation is x = 11-3
Here you go!! these are all the ones i know, sorry but i hope you get a A+
Answer:
44-34= 10+89=99 marbles
Step-by-step explanation:
Answer:
28.26
Step-by-step explanation:
The formula for calculating diameter is π<em>d</em> (pi times the diameter), so 3.14 times 9 is 28.26.