E) que características tienen las gráficas que representan una relación de proporcionalidad directa entre la cantidad de agua en la cisterna y el tiempo del servicio? f) escriban las expresiones algebraicas de las relaciones que son de proporcionalidad ¿en qué son diferentes?

g) ¿qué representan esas diferencias​

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

What is the y-intercept of the line given by the equation

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t