Answer: 
Step-by-step explanation:

Divide by 23

Extract the square root.

Answer:
- 
Step-by-step explanation:
The reciprocal of a number n is 
The negative reciprocal is the negative of this, thus
reciprocal of 2 is - 
Answer:

Step-by-step explanation:
Remember that
If angle t belong to the First Quadrant
then
The value of sin(t) and cos(t) are positive values
we know that
---> by trigonometric identity
we have

substitute





469.1 yd^2 because I plugged it into the equation and I got that as the answer
5 using the Pythagorean theory