Một hình chữ nhật có chu vi 8m72cm. Chiều dài hơn chiều rộng 3 3/5dm. a)Tính diện tích hình chữ nhật đó.
b) Nếu một hình bình hành có đáy 5 9/10m và có diện tích bằng diện tích hình chữ nhật nêu trên thì chiều cao hình bình hành là bao nhiêu xăng-ti-met?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field