A tray contains 16 cocholate chip cookies and 12 oat meal raisin cookies. HOw many ways cna a child select 3 cookies that include at least 1 chocolate chip cookie

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9