Find the sum.1 -
+
-
+ . . .
A. 9
B.
C.
D. 8
Answer: B
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Solve the problem.A manufacturer uses raw materials to produce p products each day. Suppose that each delivery of a particular material is $d, whereas the storage of that material is x dollars per unit stored per day. (One unit is the amount required to produce one product). How much should be delivered every x days to minimize the average daily cost in the production cycle between deliveries?
What will be an ideal response?
Solve the problem.The following scatter diagram shows heights (in inches) of children and their ages.Height (inches) Age (years)Based on this data, how old do you think a child is who is about 39 inches tall?
A. 3 months B. 1 year C. 3 years D. 7 years
Graph the inequality.y ? 7
A.
B.
C.
D.
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.A number multiplied by 4, added to -8, subtracted from 8 times the sum of 2 times the number
A. 4(-8 + x) + 8(2x + 9); 20x - 23 B. 4x - 8 + 8(2 + 9x); 76x + 20 C. 4(-8 + x) + 8(2 + 9x); 13x - 16 D. 8(2x + 9) - [4x + (-8)]; 12x + 80