Find the sum.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 9t - t2, 0 ? t ? 9Find the body's displacement and average velocity for the given time interval.
A. 162 m, -9 m/sec B. 162 m, 18 m/sec C. -162 m, -18 m/sec D. 0 m, 0 m/sec
Mathematics
Solve the equation. Express radicals in simplest form.x2 + 4 = 68
A. ±7 B. 8 C. 34 D. ±8
Mathematics
Find the distance between points P1 and P2. P1(3, -8, 1) and P2(7, -3, 4)
A. 25
B. 5
;
C. 10
D. 50
Mathematics
Graph the polar equation for ? in [0°, 360°).r = 3(1 + 2 sin ?)
A. 
B. 
C. 
D. 
Mathematics