Find the length of side x in simplest radical form with a rational denominator.

Thanks in advance

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Find the value of x for which abcd must be a parallelogram -9-6x x-30

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?