Solve the inequality and graph the solution on the real number line.
?

?

A.


B.


C.


D.


E.



Answer: A

Mathematics

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Solve the problem.The formula A =  gives the approximate annual interest rate for a consumer loan paid off with monthly payments, where f is the finance charge on the loan, p is the number of payments, and b is the original amount of the loan. Find the approximate annual interest rate for an automobile loan to be repaid in 36 monthly installments if the finance charge on the loan is $519 and the original loan balance is $2420.(Round your answer to two decimal places, if necessary.)

A. 14.71% B. 14.29% C. 13.11% D. 13.91%

Mathematics

Solve the problem.Find the hydrogen ion concentration of a solution whose pH is 8.3. Use the formula 

A. 2.00 × 108 B. 5.01 × 10-9 C. -0.9190781 D. 0.91907809

Mathematics

Simplify the expression. ÷ 

A.  
B.  
C. z + 4
D.

Mathematics

Solve the problem.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 26 ft and the vertical clearance must be 10 ft at a point 12 ft from the center. Find an equation for the ellipse.

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics