Write an algebraic equation and use it to solve the problem.A poster in the shape of a triangle has one side that is five inches more the length of the shortest side, and another side that is three inches less than twice the shortest side. Find the dimensions of the poster if its perimeter is 38 inches.
A. 9 inches, 15 inches, 15 inches
B. 9 inches, 14 inches, 15 inches
C. 9 inches, 14 inches, 16 inches
D. 10 inches, 14 inches, 15 inches
Answer: B
Mathematics
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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = - 
i + 
j + k, v = i + j + 2k
A. 2
; - 
i + 
j - 
k
B. 8; 
i - 
j - 
k
C. 8; 
i - 
j + 
k
D. 2
; 
i + 
j - 
k
Mathematics
Write the rational expression as an equivalent rational expression with the desired denominator.
= 
A. (x - 1)(2x + 1) B. (x - 1)(x + 6) C. x + 3 D. (x + 3)(2x + 1)
Mathematics
Simplify the expression using the order of operations.52 - 2(3) + 24 ÷ 4
A. 7
B. 25
C. 
D. 33
Mathematics
On the real number line, label the points with the given coordinates.-3.75, -1, 1, 3.25 
A. 
B. 
C. 
D. 
Mathematics