7x+3(-4x-2)=-6 how do i solve

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

In which form is the following function written? y = - 2(x – 3)(x + 5)

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?