A rectangular floor is covered by a rug except for a strip P meters wide along each of the four edges. If the floor is m meters by n meters, what is the area of the rug, in square meters?
Determine square root of 1600?
5, 15, 30, 50 What will then next number?
Which of the following fraction has the smallest value?
87
109
2320
10131022
How much more is -3-(-10) than -10-(-3)?
The product of three consecutive odd numbers is 3. What is the largest of integer?