Use the order of operations to simplify the expression.40 ÷ 20 ? (-5)

A. 2.67
B. 10
C. -10
D. - 


Answer: C

Mathematics

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Choose the function that matches the graph.

A. f(x) = (-5 - x)(2x + 7) B. f(x) = (-5 + x)(2x - 7) C. f(x) = (-5 - x)(-7 - 2x) D. f(x) = (x + 5)(2x + 7)

Mathematics

Find the mean. Round to the nearest tenth when necessary.The numbers of tickets sold in the five days preceding the play were as follows: 72, 54, 72, 93, 54

A. Mean = 69 tickets B. Mean = 68.5 tickets C. Mean = 86.3 tickets D. Mean = 69.5 tickets

Mathematics

Identify the axis of symmetry of the parabola.y = 7x2 - 70x + 183

A. x = -8 B. x = 5 C. x = 0 D. x = 8

Mathematics

Find the median. Round to the nearest tenth when necessary.The prices of the same computer game sold at several different stores or on online were as follows:      

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A. $46.99
B. $50.99
C. $55.99
D. $54.99

Mathematics