Solve the equation.log5x = 2
A. 10
B. 25
C. 32
D. 100,000
Answer: B
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Solve.The orbit of a planet around a sun is an ellipse with the sun at one focus. The aphelion of a planet is its greatest distance from the sun, its perihelion is its shortest distance, and its mean distance is the length of the semimajor axis of the elliptical orbit. If a planet has a perihelion of 455.7 million miles and a mean distance of 458 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem. Round to the nearest hundredth.What is 88% of 176?
A. 15.49 B. 154.88 C. 15,488.00 D. 1548.80
Change the number to polar form and then perform the indicated operations. Express the result in rectangular form.
A. 
+ 
j
B. 
- 
j
C. 
- 
j
D. 
- 
j
Find the probability.If three cards are drawn without replacement from a deck, find the probability that the third card is a face card, given that the first card was a queen and the second card was a 5.
A. 
B. 
C. 
D. 