Answer:
Step-by-step explanation:
a=-7
r=21/-7=-3

Answer:
To convert an angle measure to radians, multiply it by pi/180.
Step-by-step explanation:
310 * pi/180 = 31pi/18 = 5.41 rad
Sent a picture of the solution to the problem (s).
Answer:
options????????
Step-by-step explanation:
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Im pretty sure its 8y because two negatives equal a positive so 5 plus 3 and then you isolated the y so 8y. :)