Whoever gets this correct gets brain, 5 stars and a thanks! An explanation of it would be amazing! Tysm!

Answer:
C and E and F
Step-by-step explanation:
Integers are basically whole numbers. For example, 6.5 is not an integer since it is not a whole number and it is between 6 and 7. Also fractions that cannot be simplified to whole numbers are not integers. Also integers can be negative.