Solve the problem.A surveyor standing 54 meters from the base of a building measures the angle to the top of the building and finds it to be 39°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 49°. How tall is the radio tower?
A. 9.52 m
B. 18.39 m
C. 6.77 m
D. 6.54 m
Answer: B
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Identify the place value of the digit 5 in the decimal number. 105,407.04
A. thousandths B. thousands C. hundredths D. hundreds
Solve the system, using Cramer's rule, if possible. 8x - y - 2z = -2-2x + 6y - 2z = 16 2x - 4y + z = -11
A. ? B. {(1, 3, 4)} C. {(-1, 4, 2)} D. {(1, 4, 3)}
Write a proportion that models the situation described. Then, solve the proportion for x.If at a given speed a car can travel 92.4 miles on 4 gallons of gasoline, then the car can travel x miles on 52 gallons of gasoline at that speed.
A. 
= 
; x = 1201.2 miles
B. 
= 
; x = 1208.6 miles
C. 
= 
; x = 1208.6 miles
D. 
= 
; x = 1201.2 miles
Solve the system by substitution.x - 2y = 5 x = 3y
A. {(-15, -5)}
B. {(15, 5)}
C. {(5, 15)}
D. 