Um quartel tem 80 soldados e o comandante resolveu dividir esta tropa em grupos, todos com a mesma quantidade. Assinale a alternativa que representa uma opção possível de agrupamento destes soldados: a) 5 grupos de 20 soldados
b) 4 grupos de 16 soldados
c) 5 Grupos de 16 soldados
d) 3 grupos de 30 soldados

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

The product of 3 and a number increased by 8 is 31

You spend $13 to rent five movies for the weekend. new releases cost $3 and regular movies rent for $2. how many of the movies you rented were new releases and how many were regular movies? answer by substitution of systems.