If $10,000 is invested in an account at the rate of 6.25% compounded monthly, then the amount after 15 years is approximately

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Solve x+3y=6 and 4x-6y=6 by elimination . show work !