Simplify the expression by combining like terms if possible.-b2 + ab2
A. -b2 + ab2
B. ab
C. a
D. a + 2b2
Answer: A
Mathematics
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Solve the problem.Write an equation for the tangent line to the curve 
at the point 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 
D. 
+ 
= 
Mathematics
Solve.An elliptical bicycle path is constructed in a local park. The equation of the ellipse that represents the path, in yards, is given by 
+ 
= 1. What are the length and the width of the bicycle path?
A. length: 30 yd; width: 55 yd B. length: 55 yd; width: 30 yd C. length: 60 yd; width: 110 yd D. length: 110 yd; width: 60 yd
Mathematics
Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Mathematics
Give an appropriate answer.Explain the difference between a sample and a population.
What will be an ideal response?
Mathematics