Δabc has three sides with these lengths: ab = 9, bc = 40, and ca = 41. what is the value of cos c?

What is the product? (x2+3y+7) [yy+1)

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?