Translate to an equation and solve.What number is 57% of 20?
A. 1140
B. 11,400
C. 11.4
D. 114
Answer: C
Mathematics
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Solve the problem.A stack of poles has 23 poles in the bottom row, 22 poles in the next row, and so on, with 7 poles in the top row. How many poles are there in the stack?
A. 232 B. 255 C. 248 D. 262
Mathematics
Decide if the statement is true or false.cos ? increases in value as ? goes from 0° to 90°.
A. True B. False
Mathematics
Provide an appropriate response.The region shown here is to be revolved about the line x = 3 to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case?x = - y2 
What will be an ideal response?
Mathematics
Provide an appropriate response.Sketch a graph of f(x) = x2 + 4
What will be an ideal response?
Mathematics