Don’t be shy help me out

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

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

The product of sin 30 degrees and sin 60 degrees is same as the product of