Suppose a friend tells you about an annuity that pays 6% annual interest, compounded semi-annually. You invest in the annuity contributing $10,000 semiannually for 6 years. What is the value of the annuity after your last investment?

Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?