Solve.The temperature at 5:00 was -2° C. Four hours later, it was -12° C. What was the change in temperature?
A. -14° C
B. -10° C
C. 14° C
D. 10° C
Answer: B
Mathematics
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Evaluate.
A. 2.104 x 1013 B. 1.052 x 1013 C. 1.052 x 1014 D. 1.052 x 1012
Mathematics
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, 5), (-1, 5.25), (5, 18.75)
A. y = 
+ 
- 5
B. y = 
+ 
+ 5
C. y = 
+ 2x + 5
D. y = 
+ 
Mathematics
Find the term indicated in the expansion.(x2 + y4)9; 3rd term
A. 36x14y8 B. 25920x9y6 C. 25920x14y8 D. 36x9y6
Mathematics
Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. {(3, -6, -9)} B. {(3, 6, 9)} C. {(6, 9, 6)} D. {(4, 4, 9)}
Mathematics