Simplify.6.62 + 8.12

A. 109.17
B. 58.8
C. 29.4
D. 216.09


Answer: A

Mathematics

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Translate the problem situation to a system of equations. Do not solve.Alice's Restaurant has a total of 157 seats. The number of seats in the  section is 55 more than twice the number of seats in the smoking section. How many seats are in each section?

A. x + y = 157; x = 2y - 55 B. x - y = 157; x = 55 - 2y C. x + y = 157; x = 2y + 55 D. x + y = 55; x = 2y + 157

Mathematics

Write the satement in symbols. Let x represent the unknown number.One-half a number, minus ten, plus two times the number.

A. x - 10 + 2x
B. x - 8
C. x - 5
D. x - 10

Mathematics

Describe the behavior of the function's graph at its x-intercepts.f(x) = (x - 3)2(x + 7)

A. Does not cross at (7, 0) , crosses at (-3, 0) B. Does not cross at (3, 0) , crosses at (-7, 0) C. Crosses at (3, 0) and (-7, 0) D. Does not cross at (3, 0) or (-7, 0)

Mathematics

Convert. When necessary, round the answer to two decimal places.480 seconds =    minutes

A. 8  B. 4  C. 20 D. 15 

Mathematics