Solve the equation.7.4 + x = 16.2
A. x = 8.3
B. x = 8.8
C. x = 23.1
D. x = 23.6
Answer: B
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Solve the problem.One dimension of a rectangular solid is represented by 3x units. The volume of the solid is 
cubic units. Express each of the other two dimensions of the rectangular solid in terms of x.
A. (6x - 4) and (2x - 5) B. (2x + 4) and (6x - 5) C. (2x - 4) and (6x - 5) D. Not enough information is given.
Provide an appropriate response.Using Heron's formula, find the area of the triangle shown. Round the answer to four significant digits.
A. 64.18 m2 B. 37.35 m2 C. 36.57 m2 D. 4,118 m2
Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Give the ordered pairs for the points labeled on the graph.
A. G(4, 3); H(-2, 3) B. G(4, -2); H(-6, 3) C. G(-2, 24); H(3, -6) D. G(4, -2); H(3, -6)