Use the formula, p = 2l + 2w. If we know the perimeter of a rectangle is 30 and the width is 11. What does the length have to be?

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

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)