Approximate using a square root table or a calculator with a square root key. Round to the nearest thousandth when necessary.
A. 9.217
B. 9.220
C. 9.225
D. 85.000
Answer: B
Mathematics
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x(t + 1) - 4t
= 9, 2y + 4y3/2 = t3 + t, t = 0
A. 6
B. 3
C. 
D. 
Mathematics
In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer lectures in a school of 950 students?
A. About 18 students B. About 342 students C. About 190 students D. About 171 students
Mathematics
Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Use the commutative law of addition to write an equivalent expression.ab + 6
A. 6 + ab B. 6ab C. 6(1 + ab) D. ba + 6
Mathematics