Answer:
a
Step-by-step explanation:
4 -([3-1] x2)
so brackets first 3-1=2
second parentheses 2x2=4
third the rest 4-4=0
Answer:
![(-\infty, \infty)](https://tex.z-dn.net/?f=%28-%5Cinfty%2C%20%5Cinfty%29)
Step-by-step explanation:
Every number, when you raised to the second power is positive, therefore that inequality would be all real numbers.
![(-\infty, \infty)](https://tex.z-dn.net/?f=%28-%5Cinfty%2C%20%5Cinfty%29)
area of rectangle = L x W
area = 2 * 1.25 = 2.5 square meters
cutting along the diagonal makes a triangle
area = 1/2 x 2.5 = 1.25 square meters