Find the exact area under the curve between the indicated values of x.y = 
; between x = 1 and x = 4
A. 2
B. 4
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Suppose that y is inversely proportional to x and that y = 24.5 when x = 7. Find the constant of proportionality k. Then, find y when x = 49.
A. k = 171.5; y = 3.5 B. k = 156.8; y = 3.2 C. k = 186.2; y = 3.8 D. k = 3.5; y = 171.5
Mathematics
Toothpicks can be arranged to form triangles as shown below. How many toothpicks are required to form a triangle with ten toothpicks on a side?
Mathematics
Add or subtract.
- 
A. 1
B. 
C. 0
D. 
Mathematics
Multiply.(9x - 1)(x2 - 6x + 1)
A. 9x3 - 54x2 + 9x + 1 B. 9x3 - 55x2 + 15x - 1 C. 9x3 + 55x2 - 15x + 1 D. 9x3 - 53x2 + 3x - 1
Mathematics