Divide.30 ÷ 3
A. 3
B. 30
C. 90
D. 10
Answer: D
Mathematics
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Solve the problem. Round to the nearest cent unless otherwise noted.The regular selling price of a store item is $288. For a special year-end sale the price is marked down 20%. Find the discount sale price.
A. $230.40 B. $345.60 C. $57.60 D. $240.00
Mathematics
Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).f(x) = -2x2 + 4x + 9
A. Down; narrower B. Up; wider C. Down; wider D. Up; narrower
Mathematics
Simplify. Assume that variables can represent any real number.
A. 5t
B. 5
C. 5t2
D. 12
Mathematics
Solve the problem.Find the sum of the interior angles of an 8-sided polygon.
A. 180° B. 1440° C. 900° D. 1080°
Mathematics