Simplify the expression using the order of operations.14 - 13 + 9
A. -8
B. 10
C. -103
D. -1638
Answer: B
Mathematics
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Solve.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 7 amperes when the resistance is 510 ohms. What is the current when the resistance is 748 ohms?
A. 4.8 amperes B. 0.1 amperes C. 0.21 amperes D. 10.3 amperes
Mathematics
Evaluate.x5, for x = 2 and x = -2.
A. 32, -32 B. -32, -32 C. 32, 32 D. 0, 0
Mathematics
Solve the problem.The height of a projectile moving vertically is given by the table, where t is the elapsed time in seconds and h is the height in feet.
If the height is modeled by 
where v0 and h0 are the velocity and height at 
respectively, find v0.
A. 1500 ft/sec B. 1600 ft/sec C. 800 ft/sec D. 750 ft/sec
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics