Factor the trinomial completely.s2t2 - 6st + 23
A. (st - 23)(st - 1)
B. (st + 23)(st - 1)
C. (st - 23)(st + 1)
D. Prime
Answer: D
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Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9 B. x + 9 C. x + 54 D. 6(x + 9)
The period P, in years, of a planet is the time it takes to make a single orbit of the sun. The period is related to the distance D from the sun by the formula
.
A: Neptune is 30 times as far from the sun as Earth. How long does it take Neptune to make a single orbit around the sun?B: The period of Mercury is 88 days. Express the period of mercury in terms of years.C: The Earth is 93 million miles from the sun. Use your answer to part B to determine how far Mercury is from the sun.
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Round your answers to two decimal places if necessary.
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What will be an ideal response?
Perform the indicated operation and express the answer in simplest form.
A. 2 
+ 11 
+ 6 
B. 2 
- 6 
C. 2 
- 11 
+ 6 
D. 2 
+ 11 
- 6 
Find the product.(x + 4)(5x - 5)
A. 5x2 + 13x - 20 B. 5x2 + 15x + 15 C. 5x2 - 20x + 15 D. 5x2 + 15x - 20