An art teacher makes a batch of purple paint by mixing 7/8 cup blue paint with 7/8 cup red paint. If she mixes 21 batches, how many cups of purple paint will she have

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?