Find the greatest common factor of the numbers.84 and 42
A. 14
B. 42
C. 21
D. 6
Answer: B
Mathematics
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Find the cross product and determine whether the proportion is true or false.
= 
A. 100 ? 
; false
B. 15 = 15; true
C. 
? 140; false
D. 35 = 35; true
Mathematics
The surface area of a right regular n-gon prism with base area A, height h and base edge length a is: ___________________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor the polynomial as the difference of two squares or state that it is irreducible.x4 - 81
A. irreducible B. (x + 3)2(x - 3)2 C. (x2 + 9)(x + 3)(x - 3) D. (x2 - 9)(x + 3)(x - 3)
Mathematics
Convert the angle from radians to degrees.
A. 90° B. 180° C. 360?° D. 144°
Mathematics