Answer:
D. 4
Step-by-step explanation:
We know that the square of (+4) is 16 and also for (—4) is 16. We normally takes interest in positive square value for a square root. Therefore, The principal square root of 16 is 4
A triangle right triangle
Divide the fraction gives you an irrational number since the decimal goes on forever but since the decimal can be written as a "fraction or ratio" it is rational.
Best of Luck!
320
I am positive it's correcf
If X is increased by 7 to make 21
X + 7 = 21
then rearrange the equation to get X
X = 21-7
X = 14(b)
