Solve the problem.There are 12 more sophomores than juniors in an 8 AM algebra class. If there are 78 students in this class, find the number of sophomores and the number of juniors in the class.
A. 90 sophomores; 66 juniors
B. 33 sophomores; 45 juniors
C. 45 sophomores; 33 juniors
D. 78 sophomores; 66 juniors
Answer: C
Mathematics
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Express in standard notation.8.724 × 106
A. 523.44 B. 87,240,000 C. 8,724,000 D. 872,400
Mathematics
Add.
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C. 
D. - 
Mathematics
Solve.The formula Z = R sec ? gives the impedance Z (in ohms) in an ac circuit with resistance R (in ohms) and phase angle ? (in radians). Find the average value of Z for an 88.9-? resistor as ? ranges from ?/8 radians to ?/3 radians.
A. 154.9 ? B. 124.1 ? C. 162.3 ? D. 81.2 ?
Mathematics
The graph of a polynomial is given. Identify the degree of the polynomial, the turning points, and any x-intercepts. Also estimate any local maxima or minima and any absolute maxima or minima.
What will be an ideal response?
Mathematics