The sum of 5 consecutive even numbers is 310. what are the numbers?

For what values of b will f(x)= logbx be a decreasing function? (16 )

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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.