This keypad lock uses 6 letter keys to enter a 3-letter code.
enter code

What would make this lock more safe?
1) Making the codes one place longer
2) Adding one more letter key

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49xy +34y - 72z. determine the degree of the polynomial

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10