Solve the problem.A man needs to repaint the two triangular gables on his house. Each gable is 
long and 
high. How many gallons of paint will he need if a gallon of paint covers 100 sq. ft.? (You must buy whole gallons).
A. 2 gallons
B. 4 gallons
C. 195 gallons
D. 390 gallons
Answer: B
Mathematics
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Write the given Hindu-Arabic numeral as a Chinese numeral.85
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.If cos ? = - 
, 
< ? < ? and sin ? = - 
, ? < ? < 
, find the exact value of tan (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Multiply.(x - 3)(x + 5)(4x - 2)
A. 4x3 - 6x2 + 64x + 30 B. 4x3 + 6x2 - 64x + 30 C. 4x3 - 64x2 + 6x + 30 D. 4x3 + 30
Mathematics
Solve the problem.At a manufacturing plant, the total cost (in dollars) to produce x items isC(x) = 4.88x + 31,000.What is the total cost to produce 3000 items?
A. $47,140 B. $14,640 C. $45,640 D. $31,004.88
Mathematics