En una progresión aritmética a1=1000 y a4=8. Halla la suma de los seis primeros terminos

The parabola opens: y=√x-4 (principal square root) up down right left

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?