Triangle ABC id isoceles. What is the measure of C?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.