You invested ​$15,000 in two accounts paying 6% and 7% annual​ interest, respectively. If the total interest earned for the year was $990, how much was invested at each​ rate?

125 tickets were sold for the jazz band concert for a total of $1,022. students tickets cost $6 each, and general admission tickets cost $10 each. how many of each kind of tickets were sold?

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.