Simplify 4n 5 + 3.5n 5 + (-2.1n 5).

20n5
6.4n5
5.4n5
4.4n5

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

How do i do this activity, is appreciated

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?