At roberts middle school 11/30 of the books in the library were more than 50 years old. at the end of the year 1/10 of those books were given to charity.
what fraction of all the books was given to charity?

At the skate park, an average of 126 bicycle per day are rented in october. this number is 10% less than the average number of bicycles rented per day in september. on aberage, how many bicycles are rentes per day in september. a. 113 b. 140 c. 139 d. 135

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap