If the revenue R is specified as a function of time t, which variable is independent?
?
A. ?t
B. ?R
Answer: A
Mathematics
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Factor completely. If the polynomial is prime, so state.8x2 - 28x - 16
A. (8x - 4)(x + 4) B. 4(2x - 1)(x + 4) C. 4(2x + 1)(x - 4) D. prime
Mathematics
Estimate the fraction as 0, 
, or 1.
A. 
B. 0
C. 1
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.y - 4 = - xy - x = 4
A. Parallel B. Perpendicular C. Neither
Mathematics
Find the surface area of the solid correct to the nearest square unit. (Note that the container does not have top.)
?
??r? = 2.8?, ?h? = 4.4.
?
?
A. 77 cm 2 B. 12 cm 2 C. 204 cm 2 D. 102 cm 2 E. 108 cm 2
Mathematics