Translate the phrase to an algebraic expression.two times the sum of a number and four
A. 2 ? 4 + x
B. (2 + 4)x
C. 2 + 4 ? x
D. 2(x + 4)
Answer: D
Mathematics
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Use a truth table to determine whether the argument is valid.p ? q
~q
A. Valid B. Invalid
Mathematics
Write an equation of the line with the indicated slope and y intercept.Slope = - 
; y intercept = -5
A. y = -5x + 
B. y = 
- 5
C. y = -5x - 
D. y = - 
- 5
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. - 
B. -1
C. 
D. - 
Mathematics
Solve the problem. Round your answer to the nearest tenth of a percent, if necessary.985 is what percent of 788?
A. 125.0% B. 1.3% C. 80.0% D. 0.1%
Mathematics