Perform the indicated operation. Assume that all variables represent nonnegative real numbers.-6 + 4

A. 6
B. 6m 
C. 6 
D. 318m 


Answer: B

Mathematics

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The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = -x3 + 5x2 - 3x - 9

A. One real zero; two imaginary zeros B. Three real zeros; no imaginary zeros C. Two real zeros; no imaginary zeros D. Two real zeros; one imaginary zero

Mathematics

Find the median. Round to the nearest tenth when necessary.The numbers of minutes Maria spent looking on the internet for gifts for her family during the last six days are as follows: 4, 8, 26, 24, 33, 34

A. Median = 26 minutes B. Median = 25 minutes C. Median = 18.5 minutes D. Median = 24 minutes

Mathematics

Find the foci of the hyperbola.y2 -  = 1

A. (0, ) and (0, -)
B. (, 0) and (-, 0)
C. (, 0) and (-, 0)
D. (0, ) and (0, -)

Mathematics

Use a determinant and the given vertices of a triangle to find the area of the triangle. ? ?

A.
B.
C. 18
D. 38
E. 40

Mathematics