HELP ME. FOR GOD SAKE PLZ HELP REPORT CARDS ARE TOMMROW PL SHOW WORK!!!

An expression is given -2y + 3/2 x + 7/4

Which are equivalent to the given expression? Select each correct answer. And Explain?(FIRST IMAGE)

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

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64