Factor completely. If a polynomial cannot be factored, say it is prime.x2 - x - 40
A. (x - 5)(x + 8)
B. (x + 5)(x - 8)
C. (x - 40)(x + 1)
D. prime
Answer: D
Mathematics
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Determine the number of significant digits in the given approximate number.0.0000467
A. 3 B. 4 C. 6 D. 10
Mathematics
Find the extreme values of the function subject to the given constraint.
A. Maximum: 400 at 
minimum: -400 at 
B. Maximum: 400 at 
and 
minimum: -400 at 
and 
C. Maximum: 400 at 
minimum: 0 at 
D. Maximum: 400 at 
and 
minimum: -400 at 
and 
Mathematics
Find the value of the expression using the given values.yx?x = -3, y = 3
A. - 
B. 
C. 27
D. -27
Mathematics
Provide an appropriate response.Choose the equivalent form of the given formula for area of a regular polygon.A = 
nsa
A. a = 
B. a = 
C. s = 
D. s = 
Mathematics