X+413=−256
What is the value of X?

-669

Step-by-step explanation:

Convert -256 to 256

Addition -> 413+256=

669

Convert 669 to -669

X=-669

Double Check:

-669+413=-256

x=12 units bd= 10 units

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d