Solve the system in terms of the arbitrary variable listed.z; x + y + z = 92x - 3y + 4z = 7
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 = 4t2 + 4t + 5, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 12 m/sec, 2 m/sec2 B. 20 m/sec, 8 m/sec2 C. 20 m/sec, 16 m/sec2 D. 25 m/sec, 8 m/sec2
Mathematics
Divide the polynomials using polynomial long division.
A. p - 4 + 
B. p + 3 + 
C. p - 3 + 
D. p - 3
Mathematics
Use the change of base formula and your calculator to approximate the logarithm.log
273.6
A. 5.1080 B. 0.2386 C. 10.2159 D. 0.0979
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. -4x12y18 B. 16x8y12 C. -4x8y12 D. 4x8y12
Mathematics