43.5 is 783 divided by 18 783 ÷ 18 = 43.5
Answer:
:)
Step-by-step explanation:
For simplicity I will substitue
for β.

In the first step I used the identity
And I factored out 
Then it's just simple algebra to cancel till the 3rd step where we used another identity derived from the Pythagorean Theorem.

That's it!
6 × 2 = 12 so 6 is the dilation factor
thus 4 × 6 is PQ which is 24
Answer:
D, All of the above.
Step-by-step explanation:
(A. set fitness goals
B. track performance
C. spot areas for improvement)
mark brainliest ??