Bài tập 1: Thực hiện phép nhân hai ma trận: (a)
-3 4
11 6
10 5
-27
9 5
4 12
5
57 -1
(c) 4 0 7
3 6 5
4
0

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?