Use the formula relating angular size, physical size and distance.A planet has an angular diameter of about 1.4° and a distance of about 167 million kilometers. What is its true diameter?
A. 31.54 million kilometers
B. 8.16 million kilometers
C. 27.46 million kilometers
D. 4.08 million kilometers
Answer: D
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Solve the problem.An initial investment of $1000 is appreciated for 2 years in an account that earns 10% interest, compounded semiannually. Find the amount of money in the account at the end of the period.
A. $1215.51 B. $1157.63 C. $215.51 D. $1210.00
A building is 
ft. by 
ft. by 
ft. high. Estimate the cost of heating the building at a rate of $
per 
3.
A. $10,800.00
B. $8,640.00
C. $1,440.00
D. $72.00
E. $336.00
Solve the problem.How many 2-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
A. 45 B. 90 C. 1,814,400 D. 3,628,800
Subtract.85,725 - 15,049
A. 70,576 B. 71,076 C. 70,676 D. 72,076