Solve.The distance to the horizon varies directly as the square root of the height above ground level of the observer. If a person can see 6 miles from a height of 25 feet, how far can a person see from a height of 121 feet?
A. 14.4 miles
B. 13.2 miles
C. 12.1 miles
D. 13.5 miles
Answer: B
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Solve.One method to determine the time since an animal died is to estimate the percentage of 
remaining in its bones. The percent P in decimal form of 
remaining x years is given by 
Approximate (to the nearest whole year) the age of a fossil if there is 74% of 
remaining.
A. -35,571 B. 2488 C. -16,541 D. 1081
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
(b + B)h; A = 114, b = 20, B = 18
A. 76 B. 19 C. 360 D. 6
Find all real solutions of the equation.
?
Fill in the blank(s) with the appropriate word(s).
Evaluate or simplify the expression without using a calculator.ln 1
A. 0 B. -1 C. e D. 1