Write the expression in standard form.

A.  - i
B. -  - i
C.  + i
D. -  - i


Answer: C

Mathematics

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Use the periodic compound interest formula to solve the problem.Find the amount in a savings account at the end of 8 years if the amount originally deposited is $8000 and the interest rate is 7% compounded monthly. Round to the nearest cent.

A. $8381.05 B. $13,982.61 C. $772,480.00 D. $15,380.87

Mathematics

Evaluate.  for a = -9 and b = 5

A.
B. 1
C. - 
D. -1

Mathematics

If y varies directly as x, write a general formula to describe the variation.y = 0.7 when x = 2.8

A. y = 0.7x B. y = 4x C. y = x - 2.1 D. y = 0.25x

Mathematics

Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (9, 2) and (2, -2)

A. y = x - 
B. y = - x - 
C. y = x - 
D. y = - x - 

Mathematics