Convert the numeral to the requested form.Some systems of enumeration are multiplicative. If you want to represent 30 things, you write the symbol for 3 followed by the symbol for 10. In China and Japan the symbol for  and the symbol for  Thus, 30 is symbolized  If the symbol for  and the symbol for 

src="https://sciemce.com/media/4/ppg__10708191924__f1q346g5.jpg" alt="" style="vertical-align: -4.0px;" /> and the Chinese write  how do the Chinese write 63?



A.
B.
C.
D.

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Answer: B

Mathematics

Use the given table for y = ax2 + bx + c to solve ax2 + bx + c < 0 or ax2 + bx + c > 0, as indicated.y = x2 - 16; ax2 + bx + c < 0

A. -5 < x < 5 B. x < -5 or x > 5 C. -4 < x < 4 D. x < -4 or x > 4

Find the probability.In a poll, respondents were asked whether they had ever been in a car accident. 107 respondents indicated that they had been in a car accident and 212 respondents said that they had not been in a car accident. If one of these respondents is randomly selected, what is the probability of getting someone who has been in a car accident? Round to the nearest thousandth, if necessary.

A. 0.665 B. 0.505 C. 0.335 D. 0.009

Solve for base in the problem. Round to the nearest hundredth, if necessary.33% of    miles is 65 miles.

A. 0.51 B. 196.97 C. 1,969.7 D. 51

The population aged 65 years old and older (in millions) from 2000 to 2050 is projected to be

?
 
?
where  is measured in decades, with  corresponding to 2000. What will be the average population aged 65 years and older over the years from 2000 to 2020?
(Hint: The average population is given by . Multiply the integrand by  and then use the method of substitution.) Round your answer to one decimal place.
?

A. 180.7 million
B. 43.8 million
C. 57.5 million
D. 87.7 million
E. 33.1 million