The speaker is the encoder. That is the correct answer B.
Answer:
D) 191
Step-by-step explanation:
The entire circle is 254.5, calculated by using this formula

Only 3/4 of the circle is needed for the area, however, so you multiply your area by 0.75
Answer: I think the answer is B
Step-by-step explanation:
Answer:
a = 0,-7
Step-by-step explanation:
a^2 + 7a=0
Factor out an a
a(a+7) =0
Using the zero product property
a=0 a+7 =0
a =0 a= -7