What is the expression -3(4k-8) simplified

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?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6