Translate the phrase to an algebraic expression. Let x represent the unknown number.3 less than 7 times a number
A. 3x - 7
B. 7x - 3
C. 3 - 7x
D. 7 - 3x
Answer: B
Mathematics
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Graph the linear equation using the point-plotting method.y = -3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A triangle has an area of 3x2 + 19x - 84. Use factoring to rewrite this expression.
A. (3x - 28)(x - 3) B. (3x + 28)(x + 3) C. (3x - 28)(x + 3) D. (3x + 28)(x - 3)
Mathematics
Suppose a game has this payoff matrix. Find the expected value of the game for the specified strategies of A and B. 
A. 1.04 B. -0.39 C. 0.59 D. 1.14
Mathematics
Use the fundamental identities to simplify the expression.cot ? sec ? sin ?
A. tan2? B. 1 C. csc2? D. sec2?
Mathematics