Combine like terms.8
t + 3
t
A. 12
t
B. 11
t
C. 10
t
D. 11
t
Answer: B
Mathematics
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Identify the number represented on the abacus.
A. 90,928 B. 91,928 C. 51,528 D. 50,528
Mathematics
Find the unit tangent vector of the given curve.r(t) = (5 + 11t2)i + (9 + 2t2)j + (8 + 10t2)k
A. T = 
i + 
j + 
k
B. T = 
i + 
j + 
k
C. T = 
i + 
j + 
k
D. T = 11i + 2j + 10k
Mathematics
Solve the problem.What is the difference between sixty-nine and four hundredths and forty-eight and eight tenths?
A. 20.204 B. 20.96 C. 21.76 D. 20.24
Mathematics
Find the integral.
dx
A. -4(cot-1 x)5 + C
B. 
+ C
C. 4(cot-1 x)3 + C
D. 
+ C
Mathematics