Question

Which expression below equals a rational number, choose all that apply.
Please help.

Answer 1

BELOW IN BOLD.

Explanation:

4/5 + 3/8

= 47 / 49 which id Rational

√100 + √5

= 10 + √5; - Irrational

7√5 - √245

=7√5 - 7√5

= 0 RATIONAL

Next one = 56 so Rational

Last one is Irrational