How do i solve the equation for this problem
z(z+2)(z-1)=0

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36