Question 1 A single number designed to assess the variation in a data set is called a

Which did freshwater not provide? transportation \[ \begin{array}{l}\text { food } \\ \text { civilization } \\ \text { drinking }\end{array} \]

\( -3(2-x)=\square \) Submit

Tasद? Kyle is following a diet program and states you should lose 1.5lbs a week. His starting weight is 190lbs Q: How many weeks would it take until Kyle would weight 175lbs?

Un camion avanza por una carretera a 50 kn por horai Evanto avam 2 årá si rrecorre \( 3,4,5,1 / 2 \), \( 1 / 4 \) de hora?

Find the Following matrices where \( A=\left[\begin{array}{cc}6 & -7 \\ -4 & 6 \\ -1 & 4\end{array}\right] \) and \( B=\left[\begin{array}{cc}-9 & 8 \\ 3 & 0 \\ -3 & 8\end{array}\right] \) Select the correct chace below O. A \( -3 A-9 B=\square \) simplify your answer 0 B. This matrix operation is not passible. O.