There were 629,000 women motorcyclists, up from 447,000 eight years ago. what's the percentage of increase?

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

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?