Given scs a = 5/4 and that angle a is in quadrant i, find the exact value of tan a in simplest radical form using a rational denominator

Identify the number as a rational or irrational.explain. 127

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle