Determine whether the given number is a solution of the equation. 
+ x = 3; x = 
A. No
B. Yes
Answer: B
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Determine the letters or numbers.Break 1101101110111111011111101110 into groups of seven digits and write as lower case letters.
A. moon B. mash C. soon D. mend
The mean is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the harmonic mean (H.M.), is used to average speeds. This mean is defined to be the sum of the reciprocals of all scores divided into the number of scores. For example, the harmonic mean of the numbers 4, 5, 6, 6, 7, 8 is
?
?
Find the arithmetic mean and the harmonic mean of the numbers 2, 2, 4, 4, 7, 8, 8, 9, 9, and 10.
?
Round your answers to the nearest hundredth.
?
A. 
B. 
C. ?
D. ?
E. ?
Find the values of the variables for which the statement is true, if possible.
+ 
= 
A. a = 4; b = -5; c = -1; d = 10; e = -4; f = -1
B. a = 3; b = - 4; c = 24; d = - 9; e = 21; f = 
C. a = -8; b = 3; c = 1; d = -8; e = 4; f = -15
D. a = -4; b = 5; c = 13; d = -10; e = -10; f = 1
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
and its inverse A-1 = 
to decode the cryptogram 
.
A. ACTS B. ARMS C. ABLE D. ALAS