Emma has half of her investments in stock paying a 9% dividend and the other half in a stock paying 11% interest. if her total annual interest is $420, how much does she have invested?

How many grams must be adde to 970g to make 1 and a half kg

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?