Solve.The sum of twice a number and 18 less than the number is the same as the difference between -2 and the number. What is the number?

A. 4
B. 8
C. 5
D. 3


Answer: A

Mathematics

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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.

A. y = 9.2x - 2.1 B. y = 10x - 3 C. y = 9.8x - 2.6 D. y = 9x - 3

Mathematics

Find the slope of the line passing through the pair of points. ? P (-9, 14); Q (-18, -2) ?

A. m =   
B. m = - 
C. m = -  
D. m =  
E. none of these

Mathematics

Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = 6x2 + 12x + 1

A. , (0, -1)
B. , (0, 1)
C. , (0, -1)
D. , (0, 1)

Mathematics

Answer the question or solve the problem.If a ? b, is it always true that -5a ? -5b? Explain.

What will be an ideal response?

Mathematics