How do i add 14 ten thousands plus 12 thousand written in standard form

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply