PLS HELP ASAP!

which of the follwing expressions is equvialent to:

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What is the lcm of 16 and 40 ? 24 and 40 ?

Haquira is baking cookies to put in packages for a fundraiser. shaquira has made 8686 86 chocolate chip cookies and 4242 42 sugar cookies. shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies. what is the greatest number of identical packages that shaquira can make?

What is the equation of the graph below? a) y = sec(x) + 2 b) y = csc(x) + 2 c) y = csc(x + 2) d) y = sec(x + 2)