Solve.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 115, 144, 197
B. 107, 144, 197
C. 120, 157, 210
D. 107, 144, 173
Answer: B
Mathematics
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Use the vertex formula to find the vertex of the quadratic function.f(x) = 5x2 + 10x - 4
A. (1, 11) B. (-1, -9) C. (2, 36) D. (-2, 6)
Mathematics
Let 
. Compute the following.
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Solve the problem.A triangular space between three streets has perpendicular sides measuring 
m and 
m. How much sod will be needed to cover the space?
A. 27
m2
B. 371
m2
C. 92
m2
D. 185
m2
Mathematics
When the horizontal distance AB is 6 feet, the height of the loading dock, BC, is 2 feet, and BD is 12 feet. What is the height of the loading dock, DE? Round your answer to the nearest feet.
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Mathematics