Can someone tell me how to give points ?

17 in long 1.3 ft wide and 8in high what is the volume

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

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)