Determine whether the following relation is reflexive, symmetric and transitive.
Relation R in the set N of natural numbers defined as R =
{(x, y): y = x+5 and x<4}

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.

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm