Solve the formula for the indicated variable.A = P(1 + rt)for r

A. r = 
B. r = 
C. r = 
D. r = 


Answer: A

Mathematics

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The following table shows the number A , in millions, of traffic accidents t years after 2004.  t 0 1 3 4  E 10.92 10.75 10.65 10.24? ? A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression equation.D: What number of accidents does the regression line predict for 2009?

What will be an ideal response?

Mathematics

Solve the equation.55 = 7x - 8

A. 60 B. 9 C. 56 D. 15

Mathematics

Simplify. Write your answer in the form a + bi, where a and b are real numbers.(12 + 9i) - (1 + 2i)

A. 11 + 7i B. 13 + 11i C. 13 - 7i D. -13 - 11i

Mathematics

Answer the question.Consider the numbers 20, , -7, 0, , 0., 0.51, 0.204135... Which are rational numbers?

A. 20, -7, 0, , 0.51
B. 20, -7, 0, , 0., 0.51
C. 20, -7, 0, , 0., 0.51
D. , 0., 0.51, 0.204135...

Mathematics