Estimate the following mentally.2 ? 322 ? 8
A. 6000
B. 6500
C. 2500
D. 7000
Answer: A
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The profit P, in thousands of dollars, a manufacturer makes if I, measured in thousands, items are produced is given by
.
?
The formula is valid for up to 10 thousand items produced. What number of items should be produced to yield a profit of 6 thousand dollars? There are two solutions. Find both of them. Round your answers to two decimal places if necessary.
A. That profit level cannot be achieved. B. 0.36 thousand and 9.31 thousand C. 1.44 thousand and 7.63 thousand D. 7.33 thousand and 8.10 thousand
The figure below is a square ABCD with center O. (M, N, P, and Q are the midpoints of the sides.)
A glide reflection sends the point A to the point Q and the point P to the point C. The image of B under this glide reflection is
A. N. B. P. C. A. D. D. E. none of these
Simplify the expression.
÷ 
A. 
B. 
C. 
D. 
Solve. Write a mixed numeral for the answer.A Boeing 767 flew 920 mi on a nonstop flight. On the return flight, it landed after having flown 530
mi. How far was the plane from its original point of departure?
A. 389
mi
B. 390
mi
C. 390
mi
D. 389
mi