Solve the problem.The sum of a student's three scores is 206. If the first is 18 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?
A. 80
B. 46
C. 64
D. 62
Answer: A
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Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In poker, a straight flush (5 in a row in a single suit)
A. 0.00000231 B. 0.0000123 C. 0.00000923 D. 0.0000139
Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
Add or subtract as indicated. Simplify, if necessary.- 
+ 
A. 
B. - 
C. 
D. - 
Solve the problem.An isosceles triangle contains two angles of the same measure. If the measure of the third angle is 51° less than the measure of either of the other two angles, find the measure of one of the identical angles by solving the equation 2x + (x - 51) = 180, where x represents the measure of one of the identical angles.
A. 57° B. 26° C. 115.5° D. 77°