PORFA AYUDENMEEE! Se utilizan 3 mangueras para llenar una piscina olímpica y se tarda 84 horas ¿Cuántas horas se tardará en llenarse la piscina utilizando 7 mangueras?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.

Travis has decided to budget his spending money. he can spend no more than $143.15 every month. he has also decided to spend 5.2 times as much money on video games as he spends on the movies. what linear inequality describes this problem