Chứng minh rằng các biểu thức sau đây đều có giá trị dương;
x^2-4x+10

Asquare parking lot has 6,400 square meters what is the length in meters

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

To decrease an amount by 16% what single multiplier would you use