Evaluate the expression.4 ? (3 - 2) + 

A. 21
B. 11
C. 5
D. 8


Answer: C

Mathematics

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For rhombus RSTV, diagonals and intersect at point W. If RT = 16 and VS = 12, find the length of each side of rhombus RSTV.

What will be an ideal response?

Mathematics

Solve the given system of equations by referring to the graphs shown below.y = x + y = -x - 8

A. (-7, 15)
B. (- , -15)
C. (- , 15)
D. (-7, -1)

Mathematics

Use the table to determine the probability. Round your answer to three decimal places if necessary.The table gives the number of degrees earned in a certain university in the 2007-2008 academic year.If a student receiving a degree is randomly selected, what is the probability that the degree recipient is a female who earned a professional degree?

A. 0.98 B. 0.048 C. 0.02 D. 0.035

Mathematics

Find a general term an for the geometric sequence.a1 = - , r = 7

A. an = n-1
 + 
B. an = -  ? 7n-1
C. an = -  + (n - 1)
D. an = -  + (n - 1)

Mathematics