Factor.5r3 - 135s3
A. (5r - 3s)(r2 + 15rs + 45s2)
B. 5(r - 3s)(r2+ 9s2)
C. 5(r + 3s)(r2 - 3rs + 9s2)
D. 5(r - 3s)(r2 + 3rs + 9s2)
Answer: D
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Write the formula for Newton's method and use the given initial approximation to compute the approximations x1 and x2. Round to six decimal places.f(x) = x2 - 6; x0 = 3
A. xn+1 = xn + 
; x1 = 2.500000, x2 = 2.450000
B. xn+1 = 
; x1 = 3.000000, x2 = 2.950000
C. xn+1 = xn - 
; x1 = 3.500000, x2 = 1.450000
D. xn+1 = 
; x1 = 2.500000, x2 = 2.450000
Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has one gallon of paint and three rolls of border.The list gives the name of each decorator and the size of the room. 
Give the names of the decorators who will have enough paint, but will not have enough border for their rooms. (Assume a ceiling height of 8' for each room.)
A. {Jane, Roger} B. {Yong Sun, Sergey} C. {Consuela, Manuel} D. None
Determine what signs on values of x and y would make the statement true. Assume that x and y are not 0.xy < 0
A. x and y have the same sign. B. x and y must be negative. C. x and y must be positive. D. x and y have different signs.
Use the compound interest formulas A = P
nt and 
to solve.Find the accumulated value of an investment of $1900 at 8% compounded quarterly for 2 years.
A. $2216.16 B. $2204.00 C. $1976.76 D. $2226.15