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. 208 gallons
B. 5 gallons
C. 416 gallons
D. 3 gallons
Answer: B
Mathematics
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Referring to the circuit below, express IT in rectangular form if IL = 20 mA and IR = 8 mA.
a. 8 + j20 mA
b. 8 + j8 mA
c. 20 + j8 mA
d. 28 + j20 mA
e. 28 + j8 mA
Mathematics
Answer the question about the given function.Given the function f(x) = 5x2 + 10x - 7, is the point (-2, 3) on the graph of f?
A. Yes B. No
Mathematics
Find the derivative.
A. 
B. 
C. 
cos(x2 - 7)
D. 
Mathematics
Simplify.8 sin x cos3 x + 8 sin3 x cos x
A. 4 cos x B. 4 cos 2x C. 4 sin x D. 4 sin 2x
Mathematics