Let △ABC be a right triangle with m∠C = 90°. Given tan ∠A = 1.25, find tan ∠B.

What signals you that factoring by grouping is the best method to use when factoring a problem?

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

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?