23 over 21 is the right answer
23
----
21
Answer:
94
Step-by-step explanation:
Its pretty simple,
The easiest way to find the missing number is to do 151-57, which = 94
Answer:
∠SQR = 1/2 m ∠SR = 1/2 x 86 = 43°
13)
there are 2π radians in 1 revolution, and there are 60 seconds in 1 minute, so keeping that in mind, then,

14)


15)
what is the radians per seconds "w" in revolutions per minute? just another conversion like in 13)
<em>The</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>in</em><em> </em><em>attached</em><em> </em><em>picture</em><em>.</em>
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>.</em>