A recent study which examined several variables on baseball players, including the variable Years, which is the number of years playing baseball, and the variable cars, which gives the number of cars for each player. The regression line for predicting Car from Years is: \( \widehat{\text { Car }}=2+0.1 \cdot \) Years How many years are neeeded to have a predicted value of three cars? 20 3 10 4

La población de un pequeño pueblo en 1980 era de 3700 habitantes. Para el año 1990 era de 3950 habitantes. La población estimada para el 2018 corresponde a: Nota: Redondee su respuesta ejemplo: 4567 Recuerde tomar el valor de r con 6 cifras decimales para la estimación. Seleccione una: 5678 3899 4743 4678

Solve the system. Use any method you wish. \( \left\{\begin{array}{c}x^{2}+3 x y=8 \\ 2 x^{2}-x y=2\end{array}\right. \)

7. Completa las casillas con las tarjetas sigulentes de manera que las igualdades sean ciertes, teniendo en cuenta que eada número se puede usar, como máximo, una vez.

How did Mesopotamia acquire the people they enslaved? (1 point) From people who could not pay their debts From war with other areas From political alliances with other areas

75. \( f(x)=4-x^{2} \)