The equation of a line is x+y=14. what is the y-intercept of the line?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?