Solve the problem.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since records began to be kept at the school. What is the record for the long jump 
after record started being kept? Round your answer to the nearest tenth.
A. 26.9 feet
B. 27.0 feet
C. 27.1 feet
D. 21.5 feet
Answer: C
Mathematics
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Divide.
A. 30x14 + 30x13 - 40x10 B. 30x6 + 30x5 - 40x2 C. 3x6 + 3x5 - 4x2 D. 3x14 + 3x13 - 4x10
Mathematics
First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.7
? 4
A. 39
B. 35
C. 28
D. 36
Mathematics
Add or subtract.(6x2y - 4xy + 4xy2) - (6xy - 4xy2 + 3x2y)
A. 3x2y - 8xy2 - 10xy B. 3x2y - 8xy2 + 2xy C. 7x2y + 4xy2 - 10xy D. 3x2y + 8xy2 - 10xy
Mathematics
Determine whether the expression is a polynomial.-3
A. Yes B. No
Mathematics