Peter processed two catering orders at the sandwich shop where he works. the first order was for 7 trays of club sandwiches and 10 trays of vegetarian sandwiches. that order cost $149. the second order, which cost $10, was for 1 tray of vegetarian sandwiches. this situation is modeled by the matrix equation shown.[7   10]  [c]      [149][0      1 ]  [v] =  [10]determine the cost of a tray of club sandwiches and the cost of a tray of vegetarian sandwiches. show your work.

What is the smallest integer n such that n\sqrt{2} is greater than 20

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

Describe how the presence of possible outliers might be identified on the following. (a) histograms gap between the first bar and the rest of bars or between the last bar and the rest of bars large group of bars to the left or right of a gap higher center bar than surrounding bars gap around the center of the histogram higher far left or right bar than surrounding bars (b) dotplots large gap around the center of the data large gap between data on the far left side or the far right side and the rest of the data large groups of data to the left or right of a gap large group of data in the center of the dotplot large group of data on the left or right of the dotplot (c) stem-and-leaf displays several empty stems in the center of the stem-and-leaf display large group of data in stems on one of the far sides of the stem-and-leaf display large group of data near a gap several empty stems after stem including the lowest values or before stem including the highest values large group of data in the center stems (d) box-and-whisker plots data within the fences placed at q1 â’ 1.5(iqr) and at q3 + 1.5(iqr) data beyond the fences placed at q1 â’ 2(iqr) and at q3 + 2(iqr) data within the fences placed at q1 â’ 2(iqr) and at q3 + 2(iqr) data beyond the fences placed at q1 â’ 1.5(iqr) and at q3 + 1.5(iqr) data beyond the fences placed at q1 â’ 1(iqr) and at q3 + 1(iqr)