For what values of a and b will the following system of linear equations has infinitely many solutions ? 21 - 3y = 7 ; (a+b)x - (a +b -3)y = 4a+b​

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

The scatterplot represents the total fee for hours renting a bike. the line of best fit for the data is y = 6.855x + 10.215. which table shows the correct residual values for the data set?