If a, b, c ∈ {1, 2, 3,..., 9} and (63 * a) + (14 * b) + c = 486 then a +b +c = ?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship