Solve the problem.Mr. Howard installed 
-inch roofing shingles on top of a 
thick tar paper. What was the combined thickness of the two layers of materials?
A. 
inch
B. 
inch
C. 
inch
D. 
inch
Answer: D
Mathematics
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Find the Maclaurin series for the given function.e7x
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by the addition method.
A. infinite number of solutions B. (-7, -5) C. no solution D. (-5, 7)
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus at 
, directrix y = - 
A. x2 = 3y B. y2 = 12x C. x2 = 12y D. y2 = 3x
Mathematics
Solve the equation.
= 5
A. 
B. {-5, 5}
C. 
D. no real solution
Mathematics