Find the coordinates of the midpoint of the line segment PQ.P(x - z, r), Q(x + z, r)
A. (2x, 2r)
B. (x, r)
C. (r, x)
D. (-z, 0)
Answer: B
Mathematics
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Solve the proportion equation.
= 
A. 4.7 B. 21.45 C. 1.51 D. 2.15
Mathematics
Write the number in scientific notation.9500
A. 9.5 × 103 B. 9.5 × 102 C. 95 × 103 D. 9.05 × 103
Mathematics
Simplify.
A. 
B. 
C. 3y8
D. 
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.(4, 70°) Round the rectangular coordinates to two decimal places.
A. (3.76, 1.37) B. (4.01, 1.59) C. (1.59, 4.01) D. (1.37, 3.76)
Mathematics