Write a positive or negative fraction to describe the situation.Over last summer, 
of the teachers' desks were removed from the school.
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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s is the distance (in feet) traveled in time t (in seconds) by a particle. Find the acceleration at the given time.s = 
; t = 2 s
A. - 
ft/s2
B. - 
ft/s2
C. 
ft/s2
D. 
ft/s2
Mathematics
Use scientific notation to solve the problem.The earth is approximately 92,900,000 miles from the sun. Write this distance in scientific notation.
A. 9.29 x 109 miles B. 9.29 x 108 miles C. 9.29 x 107 miles D. 9.29 x 106 miles
Mathematics
Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics
Solve the system of equations using Cramer's rule.-4x - y + 7z = 24-4x + 5y + 7z = 78 -5x - 5y + z = -58
A. (4, 7, 9) B. (4, -9, 7) C. (-4, 9, 8) D. (4, 9, 7)
Mathematics