Plz help I will mark you brainlist plz

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?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Plz ( true - false) all triangles have interior angles whose measure sum to 90.