Write an equivalent expression for -6(a+8)

Which number produces a rationale number when multiplied by 1/5

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?