Evaluate.(1 × 8) × 5
A. 13
B. 40
C. 45
D. 3
Answer: B
Mathematics
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Find the unit tangent vector T and the principal unit normal vector N. r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 2tk
A. T = 
i - 
j + 
k; N = 
i + 
j
B. T = 
i + 
j + 
k; N = 
i + 
j
C. T = 
i - 
j + 
k; N = 
i + 
j
D. T = 4
i - 4
j + 2k; N = 3
i + 3
j
Mathematics
Factor out the common binomial factor as the GCF.7m(5 - m) + 4n(5 - m)
A. (4m + 7n)(5 - m) B. m(7 + 4n)(5 - 1) C. (7m - 4n)(5 - m) D. (7m + 4n)(5 - m)
Mathematics
Use inductive reasoning.Use inductive reasoning to predict the next term in the sequence of numbers.37, 31, 25, 19, 13, ?
A. 2 B. 0 C. 6 D. 7
Mathematics
Write the number as a decimal.2
A. 26 B. 2.6 C. 1.3 D. 0.26
Mathematics