Solve.The height in meters of girls of a certain tribe is approximated by 
where t is the girl's age in years and 
Estimate the height (to the nearest hundredth of a meter) of a girl of the tribe 4 years of age.
A. 0.96 m
B. 0.77 m
C. 1.12 m
D. 0.52 m
Answer: B
Mathematics
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Divide.
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Solve the trigonometric equation in the interval [0, 2?) by first squaring both sides.
cot x = 1 - 
csc x
A. 
B. ?
C. 
D. 
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.20x2 + 4x = 0
A. x = 0, x = - 
B. x = 0, x = -5
C. x = 0, x = 
D. x = 0, x = 5
Mathematics
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Mathematics