Solve the problem. Write the answer in lowest terms.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: B
Mathematics
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For the supply equation 
, where x is the quantity supplied in units of a thousand and p is the unit price in dollars, determine the price at which the supplier will make 3 units of the commodity available in the market.
?
A. p = $37 B. p = $54 C. p = $43 D. p = $34 E. p = $61
Mathematics
Graph the equation.25x2 - 9y2 = 225
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
a. 1/2
b.
c. -1/4
d. 1/4
e. divergent
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics