union=( -2,-1,0,1,2,5,7,8) intersection= -1,1
Rational numbers are the numbers that can be written as the fraction of two integers and absolute value is the distance a number is away from 0. If we look at a number line, the absolute value is the distance any number on the number line is away from 0. Distance is always positive, so our absolute value is always 0.
eight more than twice a number is less than twenty (what is the expression)
2x+8 <20
Answer: It would be x^2 I think
It would be 75 cents per song, I hope you get a good grade!