Pls help the answers are listened below I am so sorry but thank you

Find the value of the cosine for angle a

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

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.