Solve.The voltage in an electrical circuit measures -280 volts. If the resistance is 40 ohms, find the current.
A. 47 A
B. -280 A
C. -7 A
D. 280 A
Answer: C
Mathematics
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Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the cheerleader's baton is 1.6 
.
A. m B. cm C. km D. mm
Mathematics
Solve.
= 
A. x = -3
B. x = 
C. x = 3
D. no solution
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Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 0.5x4 + 0.1x3 + x2 - 1; interval [1, 4]; 3 subintervals
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Mathematics