It's equilateral. All three sides are equal. The base is 34 as well. So two right angles can be formed on the base by dropping the altitude from the top vertex.
If Alana pays $125/mo toward an insurance plan that costs $565/mo then her employer must be paying the difference = 565-125 = 440/mo.For the full year of 12 months then her employer pays = 12*440 = $5280.