Los boletos para adultos para el musical de la escuela se vendieron por $ 3.50 y los boletos para estudiantes se vendieron por $ 2.50. Se vendieron trescientos veintiún boletos en total por $ 937.50. ¿Cuántos boletos de cada tipo se vendieron?

Which of the following vectors are orthogonal to (2,1)? check all that apply

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220