Answer:
8200
Step-by-step explanation:
Answer:
x + y = 12
Step-by-step explanation:
sum means addition so if the question is right
then addition of x and y is 12
He is not correct, any number 5 or greater rounds the number up.
The speed of the dragonfly would be 7 because 7 rounds 9 to 10 making 6 a 7.
Yes because if you add forty and thirty that equals seventy plus twenty is 90 which is a right angle
