Multiply and simplify.(cos ? + sec ?) (cos2? + sec2 ? - 1)
A. cos3 ? - sec3 ?
B. cos3 ? + sec3 ? + cos ? - sec ?
C. cos3 ? + sec3 ? - 2 sec ?
D. cos3 ? + sec3 ?
Answer: D
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Solve the problem.Frank can type a report in 6 hr. James can type it in 5 hr . How long will it take the two of them working together?
A. 30 hr
B. 2 hr
C. hr
D. hr
Evaluate the expression.
A. 8 B. 19 C. 45 D. 90
Tell whether the expression is a polynomial. If it is, give its degree.6x2 -
A. Polynomial; degree -1 B. Polynomial; degree 1 C. Polynomial; degree 2 D. Not a polynomial
Solve the application by adding or subtracting appropriately. Answer with a complete sentence.Mr. Bertini took a plane trip for a total of hours. He watched an
movie for
hours. From the airport, he took a cab ride for
hour to the train station. Next, he took the train home for
src="https://sciemce.com/media/4/ppg__ttt0702190955__f1q195g5.jpg" alt="" style="vertical-align: -4.0px;" /> hours. What was the total time spent traveling? A. The total time spent traveling was 7.50 hr. B. The total time spent traveling was 8.30 hr C. The total time spent traveling was 8.50 hr. D. The total time spent traveling was 11.30 hr.