If someone could show me how to solve this and get the right answer i will mark you the brainliest i really need to finish this it was due yesturday.

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 ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0