Doreen uses 8 yd of fabric to make 2 costumes. at this rate, how many yards of fabric does she use to make 5 costumes?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Solve the equation by completing the square. x^2+2x=17