Convert the numeral to the requested form.Some enumeration systems in the past were repetitive. If you want to represent three of something, you repeat the symbol for 1 three times. If you want to represent 30 things, you write the symbol for 10 three times, and so on. In ancient Egypt, the symbol for 1 was
and the symbol for 10 was
. How would you write the numeral for 8 in the Egyptian system?
A.
B.
C.
D.
Answer: C
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Solve the problem.Ron can mow the lawn in two hours more time than Paul. Working together they can mow the lawn in 5 hours. How long does it take each of them working alone?
A. Paul: 9.1 hr Ron: 11.1 hr B. Paul: 8.3 hr Ron: 10.3 hr C. Paul: 10 hr Ron: 12 hr D. Paul: 8 hr Ron: 10 hr
Find the product.(-4x5)(7x2)
A. 11x10 B. -28x7 C. -28x10 D. 11x7
Solve the problem.An accountant tabulated a firm's profits for four recent years in the following table: The accountant then fit both a linear graph and an exponential curve (seen below) to the data, in order to estimate future profits. Use the exponential graph to estimate the profits in the year 2002.
A. About $750,000 B. About $1,300,000 C. About $1,700,000 D. About $1,000,000
Find the common difference of the arithmetic sequence.,
,
,
, ...
A. 4 B. 5 C. 2 D. - 2