Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 9
C. 58x
D. 
Answer: D
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Solve.An engine is "turning over" at an angular velocity of 2600 rpm. Express this angular velocity in rad/min.
A. 
rad/min
B. 5200 ? rad/min
C. 
rad/min
D. 2600 ? rad/min
Write the expression in the form a + bi.
A. 
+ 
i
B. - 
- 
i
C. 
- 
i
D. - 
+ 
i
Provide an appropriate response.To find the total cost of a purchase, multiply the amount of each payment by the number of payments in the loan and then add the:
A. down payment B. amount financed C. finance charge D. installment payment
Solve the problem.The following table shows the number of species listed as threatened or endangered in selected countries. Which country has 5 times as many species listed as Country B, which lists 130 species? 
A. Country D B. Country A C. Country C D. There is not enough information given.