Determine if the statements below are true or false. (a) if f · da s = 12 and s is a flat disk of area 4π, then divf = 3 π . true false (b) if f is a vector field in 3-space, then grad(divf) = 0 i + 0 j + 0 k true false (c) if s is the unit sphere oriented outward and f is a vector field satisfying f · da s = 0 , then divf = 0 at all points inside s.

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Which statement describes surface features called maria on the moon