How do you do this question on study island

What is the slope of the line that contains the points (-2,1) and (0,-3)

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates