What are the odds of rolling two number cubes and getting a sum of eight?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much