Which of the following expresses the possible number of positive real
solutions for the polynomial equation shown below?
x2 - 4x2 – 7x+ 28 = 0
A. Three or one
B. One
O C. Two or zero
O D. Two

Which expression is equivalent to 2^4y^3

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656