Question (18):
Answer: (A) All of the following
(I am using 
in place of conj(z)
Question (19):
Answer: (B) -7
modulus of -7 is sqrt(49)=7
the other choices are all < 7
Answer:
C
Step-by-step explanation:
C is congruent to A
Answer:
16
Step-by-step explanation:
Your weight is (roughly) proportional to the inverse of the square of the distance you are from the center of the earth. If that distance is reduced to 1/4 its previous value, then your weight will be multiplied by the factor ...
1/(1/4)² = 16
You would weigh 16 times as much.
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<em>Additional comment</em>
The distribution of mass within the earth also affects your weight.
Answer:
12 in.
Step-by-step explanation:
The perimeter is calculated by adding all up the sides of a shape. In this case, the shape is a square, considering that all the sides are the same measurements. 3+3+3+3 can be simplified to 3x4. This gives you 12 in. as the perimeter.
