Simplify the expression. Assume all variables represent positive real numbers. + - 

A. - 
B.
C.
D.  


Answer: C

Mathematics

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Perform the indicated operations and simplify the result. Leave the answer in factored form. ? 

A.
B.  
C.  
D.  

Mathematics

Simplify.(9x3y)(3x5y6)

A. 27x15y6 B. 27x8y7 C. 27x8y6 D. 12x8y6

Mathematics

Use Euler's method to approximate the indicated function value to three decimal places using  = 1 + y; y(0) = 2; find y(0.5)

A. 4.561 B. 3.832 C. 3.427 D. 3.864

Mathematics

Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. There are currently 79 million cars in a certain country, increasing by 3.3% annually. How many years will it take for this country to have 96 million cars? Round to the nearest year.

A. 86 yr B. 5 yr C. 6 yr D. 4 yr

Mathematics