431 is equal to which of the following binary numbers?
a. 0110011012
b. 1111010112
c. 1101011112
d. 1101110112
e. 1011011002
c. 1101011112
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Determine whether the sequence is a Fibonacci-type sequence. If it is, determine the next two terms of the sequence.2, 3, 5, 8, 13 ...
A. Yes; 21, 34 B. No C. Yes; 18, 31 D. Yes; 21, 32
The triangles are similar. Find the missing length x and the missing angles A, B, C. 
A. x = 21 units; A = 41°; B = 97°; C = 42° B. x = 7 units; A = 97°; B = 41°; C = 42° C. x = 7 units; A = 42°; B = 41°; C = 97° D. x = 21 units; A = 97°; B = 41°; C = 42°
Find the missing numbers.
A. (a) = 1, (b) = 6, (c) = 4, (d) = 4 B. (a) = 3, (b) = 8, (c) = 6, (d) = 6 C. (a) = 2, (b) = 6, (c) = 5, (d) = 6 D. (a) = 2, (b) = 7, (c) = 5, (d) = 5
Determine whether the terms are like or unlike.15 and -13
A. like B. unlike