Find the least common multiple of the given polynomials.x2- 9x+ 20, 2x- 8
A. 2(x + 5)(x + 4)
B. 2(x - 5)(x + 4)
C. 2(x + 5)(x - 4)
D. 2(x - 5)(x - 4)
Answer: D
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 0
C. 
= 
D. 
= 
Mathematics
Calculate.3.52 ÷ 4
A. 1.88 B. 8.8 C. 0.88 D. 18.8
Mathematics
Solve.Esther received a paycheck for $1450 which included a bonus of $40. If her hourly pay rate is $16, how many hours did she work?
A. 95.6 hours B. 88.1 hours C. 90.6 hours D. 93.1 hours
Mathematics
Solve. Use ? ? 3.14 and round to the nearest tenth.A bicycle wheel makes 2 revolutions. The diameter of the wheel is 17 inches. Determine how far the bicycle travels in feet.
A. 2.8 ft B. 17.8 ft C. 8.9 ft D. 106.8 ft
Mathematics