Express the English phrase using an algebraic expression.Eight times the sum of a number x and -7
A. 8x - (-7)
B. 8x + (-7)
C. 8+ x + (-7)
D. 8(x + (-7))
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the equation on the interval 0 ? ? < 2?. sin ? + 
cos ? = -1
A. 
B. 
C. 
D. 
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Solve the system by the method of substitution. Check your solution(s) graphically.
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?
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A. (3, 6), (1, -2) B. (5, 5), (1, -2) C. (6, 3), (-3, 6) D. (3, 6), (-2, 1) E. (5, 5), (-2, 1)
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Find the indicated probability.Two 6-sided dice are rolled. What is the probability that the two numbers obtained differ by more than 2?
A. 
B. 
C. 
D. 
Mathematics