Evaluate the sum of the finite geometric series
3 + 6 + 12 + 24 + 48 + . . + 768

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?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers