Saccoro invested $3800 for 3 1/2 years. she earned $983.25 in simple interest. what was the annual interest rate, to the nearest hundredth of a percent ? a. 0.74% b. 5.35% c. 7.39% d. 13.53%

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.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.