Find the greatest common divisor (GCD).30 and 36
A. 6
B. 1
C. 2
D. 3
Answer: A
Mathematics
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Solve the problem.Water is slowly rising in a horizontal drainage pipe. The width w of the water as a function of the depth h is w = 
, where r is the radius of the pipe. Find dw/dh for h = 3.1 in. and r = 6.1 in.
A. 1.13 in./in. B. 2.66 in./in. C. 0.56 in./in. D. 5.31 in./in.
Mathematics
Find the least common multiple (LCM) of the pair of numbers.18 and 30
A. 540 B. 18 C. 90 D. 3240
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.x9 - 1
A. (x3 - 1)(x6 + x3 + 1) B. (x + 1)(x2 - x + 1)(x6 - x3 + 1) C. (x - 1)(x + 1)(x6 + x3 + 1) D. (x - 1)(x2 + x + 1)(x6 + x3 + 1)
Mathematics
Divide.20.468 ÷ 68
A. 1.301 B. 13.01 C. 0.301 D. 3.01
Mathematics